Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
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HP
HP 653122-B21 3.5" 100GB SATA enterprise SSD
A 3.5" 100GB SATA enterprise SSD with MLC flash delivering up to 257 MBps read and 129 MBps write for server workloads
- Form Factor3.5"
- Capacity100GB
- Memory ComponentsMLC
- InterfaceSATA II
- Max Sequential ReadUp to 257 MBps
- Max Sequential WriteUp to 129 MBps
- Enterprise-grade reliability with MLC NAND flash technology
- 5 inch form factor fits standard server drive bays
- Hot-swap capable for zero-downtime drive replacement
- Up to 257 MBps sequential read for fast data access
- Up to 32,000 IOPS random read accelerates transactional workloads
HP 100 GB SATA II Enterprise SSD
The HP 653122-B21 is a 3.5-inch enterprise solid-state drive with a 100 GB capacity and a SATA II interface. It uses MLC NAND flash and fits a standard LFF hot-swap carrier for HP ProLiant servers. Sequential reads reach up to 257 MBps while writes reach up to 129 MBps. Random 4 KB performance delivers up to 32,000 read IOPS and 6,000 write IOPS.
Suited for read-heavy server workloads
This drive targets mainstream enterprise applications such as boot volumes, local caching or read-intensive databases where low latency and consistent random reads matter. The MLC endurance profile and 7 W idle power suit always-on server environments. Builders needing higher write endurance, larger capacities or a 6 Gbps SATA link should consider other options.
SATA II 3 Gbps interface
The drive connects through a SATA II port limited to 3 Gbps throughput, which caps maximum sequential transfer rates below modern SATA III speeds. Verify that your server backplane or controller supports this generation before installation.
Highlights
- Enterprise-grade reliability with MLC NAND flash technology
- 5 inch form factor fits standard server drive bays
- Hot-swap capable for zero-downtime drive replacement
- Up to 257 MBps sequential read for fast data access
- Up to 32,000 IOPS random read accelerates transactional workloads
Specifications
| Brand | HP |
|---|---|
| Model | 653122-B21 |
| Form Factor | 3.5" |
| Capacity | 100GB |
| Memory Components | MLC |
| Interface | SATA II |
| Max Sequential Read | Up to 257 MBps |
| Max Sequential Write | Up to 129 MBps |
| 4KB Random Read | Up to 32,000 IOPS |
| 4KB Random Write | Up to 6,000 IOPS |
| Power Consumption (Idle) | 7W |
| Operating Temperature | 0°C ~ +60°C |
| Height | 15.00mm |
| Shipping weight | 1.36 kg |
| Package size | 279 × 229 × 152 mm |
Questions about this item
How much power does the 653122-B21 draw at idle and what is its operating temperature range?
The drive idles at 7W and is rated for 0°C to 60°C, so it stays cool and quiet inside a server chassis all day.
Does this 3.5-inch SATA II SSD need a hot-swap bay or a specific carrier to install in my ProLiant?
It ships with an HP SmartDrive carrier and fits a standard 3.5-inch hot-swap LFF bay; no extra caddy or adapter is required.
Will the SATA II interface on this 100GB MLC drive bottleneck my older RAID controller?
The 3Gb/s SATA II link caps sequential throughput at 257 MB/s read and 129 MB/s write, which matches legacy controllers without wasting their bandwidth.
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