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‎azure-sql/database/resource-limits-vcore-elastic-pools.md‎

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author: dimitri-furman
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ms.reviewer: wiassaf, mathoma
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ms.date: 06/24/2025
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ms.date: 12/12/2025
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ms.service: azure-sql-database
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ms.subservice: elastic-pools
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ms.topic: reference
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---
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# Resource limits for elastic pools using the vCore purchasing model
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[!INCLUDE [appliesto-sqldb](../includes/appliesto-sqldb.md)]
@@ -722,7 +723,7 @@ The following table covers these SLOs: `HS_PRMS_4`, `HS_PRMS_6`, `HS_PRMS_8`, `H
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| In-memory OLTP storage (GB) | N/A | N/A | N/A | N/A | N/A | N/A |
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| Max data size per pool (TB) | 100 | 100 | 100 | 100 | 100 | 100 |
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| `tempdb` max data size (GB) | 128 | 192 | 256 | 320 | 384 | 448 |
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| Max local SSD IOPS per pool <sup>2</sup> | 18,000 | 27,000 | 36,000 | 45,000 | 54,000 | 63,000 |
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| Max local SSD IOPS per pool <sup>2</sup> | 20,000 | 30,000 | 40,000 | 50,000 | 60,000 | 70,000 |
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| Max log rate per pool (MiB/s) | 150 | 150 | 150 | 150 | 150 | 150 |
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| Local read IO latency <sup>3</sup> | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>3</sup> | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms |
@@ -763,7 +764,7 @@ The following table covers these SLOs: `HS_PRMS_16`, `HS_PRMS_18`, `HS_PRMS_20`,
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| In-memory OLTP storage (GB) | N/A | N/A | N/A | N/A | N/A | N/A |
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| Max data size per pool (TB) | 100 | 100 | 100 | 100 | 100 | 100 |
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| `tempdb` max data size (GB) | 512 | 576 | 640 | 768 | 1024 | 1280 |
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| Max local SSD IOPS per pool <sup>2</sup> | 72,000 | 81,000 | 90,000 | 108,000 | 144,000 | 180,000 |
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| Max local SSD IOPS per pool <sup>2</sup> | 80,000 | 90,000 | 100,000 | 120,000 | 160,000 | 200,000 |
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| Max log rate per pool (MiB/s) | 150 | 150 | 150 | 150 | 150 | 150 |
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| Local read IO latency <sup>3</sup> | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>3</sup> | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms |
@@ -804,7 +805,7 @@ The following table covers these SLOs: `HS_PRMS_64`, `HS_PRMS_80`, `HS_PRMS_128`
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| In-memory OLTP storage (GB) | N/A | N/A |
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| Max data size per pool (TB) | 100 | 100 | 100 |
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| `tempdb` max data size (GB) | 2,048 | 2,560 | 4,096 |
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| Max local SSD IOPS per pool <sup>2</sup> | 288,000 | 360,000 | 409,600 |
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| Max local SSD IOPS per pool <sup>2</sup> | 320,000 | 400,000 | 640,000 |
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| Max log rate per pool (MiB/s) | 150 | 150 | 150 |
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| Local read IO latency <sup>3</sup> | 1-2 ms | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>3</sup> | 1-5 ms | 1-5 ms | 1-5 ms |
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| In-memory OLTP storage (GB) | N/A | N/A | N/A | N/A | N/A | N/A |
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| Max data size per pool (TB) | 100 | 100 | 100 | 100 | 100 | 100 |
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| `tempdb` max data size (GB) | 128 | 192 | 256 | 320 | 384 | 448 |
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| Max local SSD IOPS per pool <sup>2</sup> | 23,040 | 34,560 | 46,080 | 57,600 | 69,120 | 80,640 |
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| Max local SSD IOPS per pool <sup>2</sup> | 26,000 | 39,000 | 52,000 | 65,000 | 78,000 | 91,000 |
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| Max log rate per pool (MiB/s) | 150 | 150 | 150 | 150 | 150 | 150 |
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| Local read IO latency <sup>3</sup> | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>3</sup> | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms |
@@ -888,7 +889,7 @@ The following table covers these SLOs: `HS_MOPRMS_16`, `HS_MOPRMS_18`, `HS_MOPRM
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| In-memory OLTP storage (GB) | N/A | N/A | N/A | N/A | N/A | N/A |
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| Max data size per pool (TB) | 100 | 100 | 100 | 100 | 100 | 100 |
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| `tempdb` max data size (GB) | 512 | 576 | 640 | 768 | 1024 | 1280 |
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| Max local SSD IOPS per pool <sup>2</sup> | 92,160 | 103,680 | 115,200 | 138,240 | 184,320 | 230,400 |
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| Max local SSD IOPS per pool <sup>2</sup> | 104,000 | 117,000 | 130,000 | 156,000 | 208,000 | 260,000 |
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| Max log rate per pool (MiB/s) | 150 | 150 | 150 | 150 | 150 | 150 |
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| Local read IO latency <sup>3</sup> | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>3</sup> | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms | 1-5 ms |
@@ -929,7 +930,7 @@ The following table covers these SLOs: `HS_MOPRMS_64` and `HS_MOPRMS_80`:
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| In-memory OLTP storage (GB) | N/A | N/A |
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| Max data size per pool (TB) | 100 | 100 |
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| `tempdb` max data size (GB) | 2,048 | 2,560 |
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| Max local SSD IOPS per pool <sup>2</sup> | 368,640 | 409,600 |
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| Max local SSD IOPS per pool <sup>2</sup> | 416,000 | 520,000 |
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| Max log rate per pool (MiB/s) | 150 | 150 |
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| Local read IO latency <sup>3</sup> | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>3</sup> | 1-5 ms | 1-5 ms |

‎azure-sql/database/resource-limits-vcore-single-databases.md‎

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---
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# Resource limits for single databases using the vCore purchasing model
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[!INCLUDE[appliesto-sqldb](../includes/appliesto-sqldb.md)]
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> [!div class="op_single_selector"]
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| Max data size (TB) | 128 | 128 | 128 | 128 | 128 |
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| Max log size (TB) | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
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| Tempdb max data size (GB) | 64 | 128 | 192 | 256 | 320 |
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| Max local SSD IOPS <sup>1</sup> | 8,000 | 16,000 | 24,000 | 32,000 | 40,000 |
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| Max local SSD IOPS <sup>1</sup> | 8,500 | 17,000 | 25,500 | 34,000 | 42,500 |
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| Max log rate (MiB/s) | 150 | 150 | 150 | 150 | 150 |
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| Local read IO latency <sup>2</sup> | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>2</sup> | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms |
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| Max data size (TB) | 128 | 128 | 128 | 128 | 128 |
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| Max log size (TB) | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
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| Tempdb max data size (GB) | 384 | 448 | 512 | 576 | 640 |
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| Max local SSD IOPS <sup>1</sup> | 48,000 | 56,000 | 64,000 | 72,000 | 80,000 |
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| Max local SSD IOPS <sup>1</sup> | 51,000 | 59,500 | 68,000 | 76,500 | 85,000 |
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| Max log rate (MiB/s) | 150 | 150 | 150 | 150 | 150 |
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| Local read IO latency <sup>2</sup> | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>2</sup> | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms |
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| Max data size (TB) | 128 | 128 | 128 | 128 | 128 | 128 |
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| Max log size (TB) | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
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| Tempdb max data size (GB) | 768 | 1,024 | 1,280 | 2,048 | 2,560 | 4,096 |
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| Max local SSD IOPS <sup>1</sup> | 96,000 | 128,000 | 160,000 | 256,000 | 320,000 | 327,680 |
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| Max local SSD IOPS <sup>1</sup> | 102,000 | 136,000 | 170,000 | 272,000 | 340,000 | 544,000 |
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| Max log rate (MiB/s) | 150 | 150 | 150 | 150 | 150 | 150 |
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| Local read IO latency <sup>2</sup> | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>2</sup> | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms |
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| Max data size (TB) | 128 | 128 | 128 | 128 | 128 |
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| Max log size (TB) | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
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| Tempdb max data size (GB) | 64 | 128 | 192 | 256 | 320 |
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| Max local SSD IOPS <sup>1</sup> | 10,240 | 20,480 | 30,720 | 40,960 | 51,200 |
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| Max local SSD IOPS <sup>1</sup> | 11,000 | 22,000 | 33,000 | 44,000 | 55,000 |
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| Max log rate (MiB/s) | 150 | 150 | 150 | 150 | 150 |
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| Local read IO latency <sup>2</sup> | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>2</sup> | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms |
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| Max data size (TB) | 128 | 128 | 128 | 128 | 128 |
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| Max log size (TB) | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
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| Tempdb max data size (GB) | 384 | 448 | 512 | 576 | 640 |
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| Max local SSD IOPS <sup>1</sup> | 61,440 | 71,680 | 81,920 | 92,160 | 102,400 |
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| Max local SSD IOPS <sup>1</sup> | 66,000 | 77,000 | 88,000 | 99,000 | 111,000 |
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| Max log rate (MiB/s) | 150 | 150 | 150 | 150 | 150 |
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| Local read IO latency <sup>2</sup> | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>2</sup> | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms |
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| Max data size (TB) | 128 | 128 | 128 | 128 | 128 |
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| Max log size (TB) | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
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| Tempdb max data size (GB) | 768 | 1,024 | 1,280 | 2,048 | 2,560 |
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| Max local SSD IOPS <sup>1</sup> | 122,880 | 163,840 | 204,800 | 327,680 | 327,680 |
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| Max local SSD IOPS <sup>1</sup> | 132,000 | 176,000 | 222,000 | 352,000 | 440,000 |
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| Max log rate (MiB/s) | 150 | 150 | 150 | 150 | 150 |
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| Local read IO latency <sup>2</sup> | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms | 1-2 ms |
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| Remote read IO latency <sup>2</sup> | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms | 1-4 ms |

‎azure-sql/database/service-tier-hyperscale.md‎

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| **Compute size** | 2 to 128 vCores | 2 to 128 vCores | 2 to 128 vCores |
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| **Storage type** | Premium remote storage (per instance) | Super-fast local SSD storage (per instance) | Decoupled storage with local SSD cache (per compute replica) |
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| **Storage size** | 1 GB – 4 TB | 1 GB – 4 TB | 10 GB – 128 TB |
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| **IOPS** | 320 IOPS per vCore with 16,000 maximum IOPS | 4,000 IOPS per vCore with 327,680 maximum IOPS | 327,680 IOPS with max local SSD<br />Hyperscale is a multi-tiered architecture with caching at multiple levels. Effective IOPS depends on the workload. |
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| **Max IOPS** | 320 IOPS per vCore with 16,000 maximum IOPS | 4,000 IOPS per vCore with 327,680 maximum IOPS | 5,500 IOPS per vCore with 544,000 maximum local SSD IOPS.<br />Hyperscale is a multi-tiered architecture with caching at multiple levels. Effective IOPS depend on the workload. |
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| **Memory/vCore** | 5.1 GB | 5.1 GB | 5.1 GB or 10.2 GB |
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| **Availability** | One replica, no read scale-out, zone-redundant HA | Three replicas, one read scale-out, zone-redundant HA | Multiple replicas, up to four read scale-out, zone-redundant HA |
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| **Backups** | A choice of locally redundant (LRS), zone-redundant (ZRS), or geo-redundant (GRS) storage<br />1-35 days (seven days by default) retention, with up to 10 years of long-term retention available | A choice of locally redundant (LRS), zone-redundant (ZRS), or geo-redundant (GRS) storage<br />1-35 days (seven days by default) retention, with up to 10 years of long-term retention available | A choice of locally redundant (LRS), zone-redundant (ZRS), or geo-redundant (GRS) storage<br />1-35 days (seven days by default) retention, with up to 10 years of long-term retention available |
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| **Pricing/billing** | [vCore, reserved storage, and backup storage](https://azure.microsoft.com/pricing/details/sql-database/single/) are charged.<br />IOPS aren't charged. | [vCore, reserved storage, and backup storage](https://azure.microsoft.com/pricing/details/sql-database/single/) are charged.<br />IOPS aren't charged. | [vCore for each replica, allocated data storage, and backup storage](https://azure.microsoft.com/pricing/details/sql-database/single/) are charged.<br />IOPS aren't charged. |
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| **Discount models**<sup>1</sup>| [Reserved instances](reservations-discount-overview.md)<br/>[Azure Hybrid Benefit](../azure-hybrid-benefit.md)<sup>2</sup><br/>[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions|[Reserved instances](reservations-discount-overview.md)<br/>[Azure Hybrid Benefit](../azure-hybrid-benefit.md)<sup>2</sup><br/>[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions | [Reserved instances](reservations-discount-overview.md)<br/>[Azure Hybrid Benefit](../azure-hybrid-benefit.md)<sup>2</sup><br/>[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions |
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| **Discount models**<sup>1</sup>| [Reserved instances](reservations-discount-overview.md)<br />[Azure Hybrid Benefit](../azure-hybrid-benefit.md)<sup>2</sup><br />[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions|[Reserved instances](reservations-discount-overview.md)<br />[Azure Hybrid Benefit](../azure-hybrid-benefit.md)<sup>2</sup><br />[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions | [Reserved instances](reservations-discount-overview.md)<br />[Azure Hybrid Benefit](../azure-hybrid-benefit.md)<sup>2</sup><br />[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions |
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<sup>1</sup> Simplified pricing for SQL Database Hyperscale arrived in December 2023. Review the [Hyperscale pricing blog](https://aka.ms/hsignite2023) for details.
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‎azure-sql/database/service-tiers-sql-database-vcore.md‎

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| **Compute size** | 2 to 128 vCores | 2 to 128 vCores |2 to 128 vCores |
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| **Storage type** | Premium remote storage (per instance) |Super-fast local SSD storage (per instance) | Decoupled storage with local SSD cache (per compute replica) |
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| **Storage size**| 1 GB – 4 TB | 1 GB – 4 TB | 10 GB – 128 TB |
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| **IOPS** | 320 IOPS per vCore with 16,000 maximum IOPS | 4,000 IOPS per vCore with 327,680 maximum IOPS | 327,680 IOPS with max local SSD <br/>Hyperscale is a multi-tiered architecture with caching at multiple levels. Effective IOPS depend on the workload. |
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| **Max IOPS** | 320 IOPS per vCore with 16,000 maximum IOPS | 4,000 IOPS per vCore with 327,680 maximum IOPS | 5,500 IOPS per vCore with 544,000 maximum local SSD IOPS.<br />Hyperscale is a multi-tiered architecture with caching at multiple levels. Effective IOPS depend on the workload. |
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| **Memory/vCore** | 5.1 GB | 5.1 GB | 5.1 GB or 10.2 GB |
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| **Backups** | A choice of geo-redundant, zone-redundant, or locally redundant backup storage, 1-35 day retention (default 7 days) <br/> Long term retention available up to 10 years | A choice of geo-redundant, zone-redundant, or locally redundant backup storage, 1-35 day retention (default 7 days) <br/> Long term retention available up to 10 years | A choice of locally redundant (LRS), zone-redundant (ZRS), or geo-redundant (GRS) storage <br/> 1-35 days (7 days by default) retention, with up to 10 years of long-term retention available |
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|**Availability**|One replica, no read-scale replicas, <br/>zone-redundant high availability (HA) |Three replicas, one [read-scale replica](read-scale-out.md),<br/>zone-redundant high availability (HA)|zone-redundant high availability (HA)|
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|**Pricing/billing** | [vCore, reserved storage, and backup storage](https://azure.microsoft.com/pricing/details/sql-database/single/) are charged. <br/>IOPS aren't charged. |[vCore, reserved storage, and backup storage](https://azure.microsoft.com/pricing/details/sql-database/single/) are charged. <br/>IOPS aren't charged. | [vCore for each replica and used storage](https://azure.microsoft.com/pricing/details/sql-database/single/) are charged. <br/>IOPS aren't charged. |
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|**Discount models**| [Azure Reservations](reservations-discount-overview.md)<br/>[Azure Hybrid Benefit](../azure-hybrid-benefit.md) (not available on dev/test subscriptions)<br/>[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions|[Azure Reservations](reservations-discount-overview.md)<br/>[Azure Hybrid Benefit](../azure-hybrid-benefit.md) (not available on dev/test subscriptions)<br/>[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions | [Azure Hybrid Benefit](../azure-hybrid-benefit.md) (not available on dev/test subscriptions) <sup>1</sup><br/>[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions|
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| **Backups** | A choice of geo-redundant, zone-redundant, or locally redundant backup storage, 1-35 day retention (default 7 days) <br /> Long term retention available up to 10 years | A choice of geo-redundant, zone-redundant, or locally redundant backup storage, 1-35 day retention (default 7 days) <br /> Long term retention available up to 10 years | A choice of locally redundant (LRS), zone-redundant (ZRS), or geo-redundant (GRS) storage <br /> 1-35 days (7 days by default) retention, with up to 10 years of long-term retention available |
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|**Availability**|One replica, no read-scale replicas, <br />zone-redundant high availability (HA) |Three replicas, one [read-scale replica](read-scale-out.md),<br />zone-redundant high availability (HA)|zone-redundant high availability (HA)|
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|**Pricing/billing** | [vCore, reserved storage, and backup storage](https://azure.microsoft.com/pricing/details/sql-database/single/) are charged. <br />IOPS aren't charged. |[vCore, reserved storage, and backup storage](https://azure.microsoft.com/pricing/details/sql-database/single/) are charged. <br />IOPS aren't charged. | [vCore for each replica and used storage](https://azure.microsoft.com/pricing/details/sql-database/single/) are charged. <br />IOPS aren't charged. |
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|**Discount models**| [Azure Reservations](reservations-discount-overview.md)<br />[Azure Hybrid Benefit](../azure-hybrid-benefit.md) (not available on dev/test subscriptions)<br />[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions|[Azure Reservations](reservations-discount-overview.md)<br />[Azure Hybrid Benefit](../azure-hybrid-benefit.md) (not available on dev/test subscriptions)<br />[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions | [Azure Hybrid Benefit](../azure-hybrid-benefit.md) (not available on dev/test subscriptions) <sup>1</sup><br />[Enterprise](https://azure.microsoft.com/offers/ms-azr-0148p/) and [Pay-As-You-Go Dev/Test offer](https://azure.microsoft.com/offers/ms-azr-0023p/) subscriptions|
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|**In-memory OLTP tables**| No | Yes | [No](service-tier-hyperscale.md#known-limitations) |
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<sup>1</sup> Simplified pricing for SQL Database Hyperscale coming soon. Review the [Hyperscale pricing blog](https://aka.ms/hsignite2023) for details.

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