Performance attributes
IO Accelerator capacity | 320GB | 640GB |
Models AJ878B and |
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BK836A |
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NAND type | MLC (Multi Level Cell) | MLC (Multi Level Cell) |
Read Bandwidth (64kB) | 735 MB/s | 750 MB/s |
Write Bandwidth (64kB) | 510 MB/s | 550 MB/s |
Read IOPS (512 Byte) | 100,000 | 93,000 |
Write IOPS (512 Byte) | 141,000 | 145,000 |
Mixed IOPS* (75/25 r/w) | 67,000 | 74,000 |
Access Latency (512 Byte) | 30 µs | 30 µs |
Bus Interface |
IO Accelerator capacity | 785GB | 1.2TB |
Models QK762A and |
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QK763A |
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NAND type | MLC (Multi Level Cell) | MLC (Multi Level Cell) |
Read Bandwidth (1MB) | 1.5 GB/s | 1.5 GB/s |
Write Bandwidth (1MB) | 1.1 GB/s | 1.3 GB/s |
Read IOPS (Seq. 512 Byte) | 443,000 | 443,000 |
Write IOPS (Seq. 512 Byte) | 530,000 | 530,000 |
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Read IOPS (Rand. 512 Byte) | 141,000 | 143,000 |
Write IOPS (Rand. 512 Byte) | 475,000 | 475,000 |
Read Access Latency | 68µs | 68µs |
Write Access Latency | 15µs | 15µs |
Bus Interface |
*Performance achieved using multiprocessor enterprise server
•Enterprise data integrity
•Field upgradeability
•Green footprint, 7.5W nominal per device
NOTE: MSI was disabled to obtain these statistics.
Required operating environment
The HP IO Accelerator is supported for use in the following operating environments:
•VMware ESX 4.0
•VMware ESX 4.1
•VMware ESXi 4.1
Introduction 7