HPE P21131-S21 800GB SAS 12Gb/s 2.5 inch Mixed Use TLC SSD

With sequential read speeds up to 1100 MB/s and 160,000 random read IOPS, this 800GB SAS SSD delivers the performance needed for mixed-use workloads in enterprise servers and storage systems.

Overview

The HPE P21131-S21 is an 800GB solid state drive in a 2.5-inch small form factor, featuring a SAS 12Gb/s interface and triple-level cell (TLC) NAND flash. It is engineered for mixed-use applications, offering a balance of performance, endurance, and capacity for demanding data center environments.

What stands out

• High throughput: up to 1100 MB/s sequential read and 1000 MB/s sequential write.
• Strong random I/O: 160,000 read IOPS and 100,000 write IOPS (4KB).
• Endurance rated at 3 drive writes per day for 5 years, totaling 4380 TBW.
• Hot-plug support via Smart Carrier for easy serviceability.
• Mean time between failures (MTBF) of 2,000,000 hours.

Technical details

• Capacity: 800 GB
• Interface: SAS 12Gb/s
• Form factor: 2.5-inch SFF
• NAND flash: TLC (Triple-Level Cell)
• Sequential read: 1100 MB/s
• Sequential write: 1000 MB/s
• Random read IOPS: 160,000
• Random write IOPS: 100,000
• Endurance: 3 DWPD for 5 years
• Total bytes written: 4380 TBW
• MTBF: 2,000,000 hours
• Power consumption (active read): 8.5 W
• Power consumption (active write): 9.5 W

Our verdict

A reliable, high-performance SAS SSD for mixed-use enterprise workloads, offering solid endurance and hot-plug convenience.