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Cache field upgrade delivered noticeable latency reduction and improved workload responsiveness.
Q8D03A
NS CS500/700 7.68TB Cache Fld Upgrade
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Q8D03A
NS CS500/700 7.68TB Cache Fld Upgrade
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Q8D03A is a SAN-based enterprise storage system engineered with 8 drive bays that support SATA HDD, SAS HDD, SATA SSD, and NVMe SSD technologies. It delivers a total storage capacity of up to 512 TB and supports multiple RAID configurations including RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10, all powered by an Intel Xeon processor with 8 cores and pre-installed 16 GB of ECC DDR4 memory (expandable up to 128 GB).
This high-performance system features robust interfaces such as 10GbE Ethernet and USB 3.1 connectivity, along with 4 LAN ports to accommodate demanding enterprise network environments. With expansion support, redundant fan cooling, and dual hot-swappable redundant power supplies rated at 750W, Q8D03A is an ideal solution for enterprise data centers, virtualization, media server applications, and SMB backup scenarios.
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 Q8D03A |  Q8E90A |  Q8B38A |  Q8D38A |  Q8D48A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | SAN | SAN | SAN | NAS | NAS |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 8-bay | 16-bay | 16-bay | 8-bay | 48-bay |
| Supported Drive Types | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | Mixed | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 TB | 512 TB | 1 PB | 256 TB | 1 PB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon |
| CPU Cores | 8 | 8 | 8 | 8 | 8 |
| Installed RAM | 16 GB | 16 GB | 32 GB | 16 GB | 16 GB |
| Max RAM Capacity | 128 GB | 64 GB | 128 GB | 64 GB | 64 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 4 | 4 | 4 | 4 | 4 |
| USB Ports | USB 3.1 | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Redundant Fan | Redundant Fan | Active | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 750W | 750W | 750W | 350W | 350W |
| Operating System | Custom OS | Custom OS | Custom OS | Custom OS | Custom OS |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | No | No | No | Yes | Yes |
| Use Case | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | Enterprise Data Center |
| Product Name | Q8D03A Enterprise SAN Storage System | Q8E90A Enterprise Storage System | Q8B38A Enterprise Storage System | Q8D38A Enterprise NAS Storage System | Q8D48A Storage Array |
| Height | 3 inches | 3.5 inches | 3 inches | 4 inches | 4 inches |
| Width | 17 inches | 17.5 inches | 17 inches | 17 inches | 17 inches |
| Depth | 25 inches | 28 inches | 24 inches | 28 inches | 28 inches |
| Weight | 45 lbs | 50 lbs | 35 lbs | 25 lbs | 80 lbs |
Cache field upgrade delivered noticeable latency reduction and improved workload responsiveness.
Installation was smooth and performance gains were immediate.
Helped stabilize peak IO periods effectively.
Good upgrade for demanding hybrid workloads.
Reliable cache expansion with predictable results.
The Q8D03A is an OEM field upgrade kit that adds 7.68 TB of high-performance cache to HP Nimble Storage CS500 and CS700 arrays, improving I/O responsiveness and sustaining higher workload throughputs.
The Q8D03A upgrade is compatible exclusively with HP Nimble Storage CS500 and CS700 series arrays running current firmware versions.
By extending DRAM-like cache capacity, the 7.68 TB module reduces read/write latency, accelerates application IO, and boosts overall system throughput under mixed workloads.
No. HP Nimble Storage supports non-disruptive cache upgrades; you can install the Q8D03A module without taking production volumes offline.