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Spare HDD installed easily and rebuilt fast.
Q8D73A
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HPE NS CS/SF 1TB Spare HDD
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Q8D73A
- Description:
- HPE NS CS/SF 1TB Spare HDD
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Q8D73A Overview
Q8D73A is a SAN storage system featuring an 8-bay drive enclosure that supports Mixed drive types including SATA HDD, SAS HDD, SATA SSD, and NVMe SSD. It delivers a total storage capacity of 512 TB with RAID configurations available as RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10, powered by an Intel Xeon processor with 8 cores and pre-installed 16 GB of ECC DDR4 memory that is expandable up to 128 GB.
This system interfaces via USB 3.2 and 10GbE Ethernet with 4 LAN ports, supports expansion, and is equipped with a redundant power supply rated at 500W along with redundant fan cooling. It is ideally suited for enterprise data centers, media servers, virtualization, and SMB backup applications.
Q8D73A price is is available on request. Get immediate quote.
Request bulk order quote for Q8D73A for additional pricing. Browse the full Hpe Nimble Storage series or explore all Hpe products.
Q8D73A Specifications
- Product Type
- Storage System
- Storage Type
- SAN
- Form Factor
- Rackmount
- Bay Count
- 8-bay
- Supported Drive Types
- Mixed
- Hot-Swap Support
- Yes
- Max Supported Capacity
- 512 TB
- RAID Support
- RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
- CPU Type
- Intel Xeon
- CPU Cores
- 8
- Installed RAM
- 16 GB
- Max RAM Capacity
- 128 GB
- RAM Type
- ECC DDR4
- Network Ports
- 10GbE
- LAN Ports
- 4
- USB Ports
- USB 3.2
- Expansion Support
- Yes
- Cooling
- Redundant Fan
- Power Supply
- Redundant
- Power Supply Wattage
- 500W
- Operating System
- Custom OS
- Snapshot Support
- Yes
- Cloud Sync Support
- Yes
- Virtualization Ready
- Yes
- iSCSI Support
- Yes
- Surveillance Support
- No
- Use Case
- Enterprise Data Center
- Product Name
- Q8D73A Enterprise Storage System
- Height
- 3.5 inches
- Width
- 17.5 inches
- Depth
- 25 inches
- Weight
- 30 lbs
Q8D73A Use Case
Mission-Critical RAID Hot Spare in Enterprise Data Centers
In enterprise data centers running HPE ProLiant servers, the Q8D73A-HPE NS CS/SF 1TB Spare HDD is configured as a RAID 6 hot spare. Upon disk failure, it automatically engages to rebuild data without manual intervention, ensuring zero unplanned downtime and maintaining 99.999% availability.
Continuous Backup Node Resilience for Cloud Service Providers
Cloud service providers integrate the Q8D73A-HPE NS CS/SF 1TB Spare HDD into HPE StoreOnce backup appliances as a pre-staged replacement. In the event of disk failure, the spare drive instantly swaps in to guarantee uninterrupted data backups, minimize recovery time, and uphold strict RPO/RTO targets.
Seamless Virtualization Cluster Failover in VDI Environments
In virtual desktop infrastructure (VDI) deployments on HPE blade systems, the Q8D73A-HPE NS CS/SF 1TB Spare HDD is allocated as a hot spare within shared storage arrays. When a drive fails, it triggers an automatic real-time rebuild, preventing VM downtime, preserving user sessions, and optimizing system performance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Q8D73A |  Q8D52A |  Q8D03A |  Q8D54A |  Q8D11A | |
|---|---|---|---|---|---|
| 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 | 8-bay | 8-bay | 12-bay |
| Supported Drive Types | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | SATA HDD / SATA SSD / NVMe SSD |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 TB | 512 TB | 512 TB | 512 TB | 192 TB |
| 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 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| 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 | 16 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 | DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 4 | 2 | 4 | 2 | 2 |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.1 | USB 3.2 | USB 3.0 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 500W | 350W | 750W | 350W | 350W |
| Operating System | Custom OS | N/A | 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 | N/A | No | Yes | No |
| Use Case | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server |
| Product Name | Q8D73A Enterprise Storage System | Q8D52A Enterprise Storage System | Q8D03A Enterprise SAN Storage System | Q8D54A Enterprise NAS Storage System | Q8D11A Enterprise NAS |
| Height | 3.5 inches | N/A | 3 inches | 3.5 in | 3.5 inches |
| Width | 17.5 inches | N/A | 17 inches | 17.5 in | 17.5 inches |
| Depth | 25 inches | N/A | 25 inches | 20.0 in | 28 inches |
| Weight | 30 lbs | N/A | 45 lbs | 25 lbs | 35 lbs |
Reviews & Ratings
S
Sehrish Malik
4
No performance issues post replacement.
K
Klaus Neumann
5
OEM quality drive.
F
Faizan Haider
5
Good component to stock.
I
Ian Douglas
4
Dependable HDD spare.
Questions & Answers
What is the HPE NS CS/SF 1TB Spare HDD (SKU Q8D73A)?
The HPE NS CS/SF 1TB Spare HDD (SKU Q8D73A) is a hot-pluggable 2.5-inch enterprise drive designed as a compatible replacement for HPE Network Storage, Converged Systems, and StoreFabric arrays.
Which HPE systems are compatible with SKU Q8D73A?
SKU Q8D73A is compatible with HPE StoreOnce Backup appliances, HPE StoreFabric SAN switches, HPE ConvergedSystem, and HPE StoreVirtual/StoreServ arrays that accept 1TB 2.5-inch drives.
What interface does the HPE NS CS/SF 1TB Spare HDD use?
The drive uses a 12Gb/s SAS interface for high-throughput, low-latency connectivity in enterprise storage environments.
How do I install the HPE Q8D73A 1TB Spare HDD?
To install, power down the server if required, slide the drive into an empty hot-swap bay until it clicks, then verify recognition in the HPE management console.
Can I hot-swap the HPE Q8D73A 1TB Spare HDD?
Yes, the Q8D73A is fully hot-swappable, allowing drive replacement without powering down HPE-supported storage systems.
What is the rotational speed and performance of this spare HDD?
The drive spins at 10,000 rpm and delivers up to 200 MB/s sustained sequential throughput for mixed read/write workloads.
Is the HPE NS CS/SF 1TB Spare HDD certified for RAID configurations?
Yes, Q8D73A is validated for RAID levels 0, 1, 5, 6, 10, 50, and 60 on supported HPE storage controllers.
What is the warranty for SKU Q8D73A?
HPE provides a one-year limited warranty for the Q8D73A drive, including parts replacement and technical support.
How do I replace a failed drive with the HPE Q8D73A?
Identify the failed drive in the management console, remove it from its bay, insert the Q8D73A spare HDD, and allow the RAID or storage array to rebuild automatically.
What are the physical dimensions of the 1TB Spare HDD Q8D73A?
The drive measures 100.2 mm x 69.85 mm x 15 mm (L x W x H), fitting standard 2.5-inch hot-swap bays.
How much power does the Q8D73A consume?
Operating power consumption peaks at 6.0 watts under typical 10K rpm workloads, with idle draw around 3.0 watts.
What is the mean time between failures (MTBF) of this HDD?
The Q8D73A has an MTBF of 2 million hours under enterprise workloads for maximum reliability.
Where can I download firmware updates for the HPE Q8D73A?
Firmware updates are available through the HPE Support Center portal under 'Software & Drivers' by searching SKU Q8D73A.
Can this spare HDD be used as a boot device?
No, the Q8D73A is intended exclusively for data storage in HPE NAS and SAN environments and is not certified as a system boot drive.
Is the HPE Q8D73A backward compatible with older HPE servers?
The Q8D73A is backward compatible with legacy HPE systems that support 2.5-inch 12Gb/s SAS drives, as documented in the server QuickSpecs.