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Silver rectangular 2.5 inch SATA SSD with label

HPE

HPE P18420-B21 240GB SATA 2.5" enterprise SSD

SKU CH-TV6V-YEEHK MPN P18420-B21

2.5-inch SATA enterprise SSD with 240GB capacity, 69,500 read IOPS and 14,000 write IOPS at .8 DWPD endurance

  • Form Factor2.5"
  • Capacity240GB
  • InterfaceSATA III
  • 4KB Random ReadUp to 69,500 IOPS
  • 4KB Random WriteUp to 14,000 IOPS
  • Endurance0.8 DWPD
  • Low-latency reads with up to 69,500 4KB random read IOPS
  • Consistent write performance reaching 14,000 4KB random write IOPS
  • Fits standard 2.5-inch SATA bays with 7.00mm height
  • Read-intensive endurance rated at 0.8 DWPD for mixed workloads
  • Efficient 4W active power draw reduces server thermal load

Enterprise SATA SSD for read-intensive workloads

The HPE P18420-B21 is a 2.5-inch solid-state drive built for server environments that prioritise consistent read performance. Its 240GB capacity suits boot volumes, caching tiers or logging arrays where write demands stay moderate. The SATA III interface ensures broad compatibility with existing drive bays and controllers. This new drive targets administrators who need reliable endurance without the cost of mixed-use or write-intensive media.

Low active power and silent operation

With an active power draw of 4W, the drive adds minimal thermal load to a populated chassis. The 7.00mm height fits standard SFF bays without requiring additional spacing or airflow planning. No moving parts means zero acoustic output during normal operation. These characteristics simplify cooling design in dense 2.5" deployments where many drives share a backplane.

Steady random performance under sustained load

The drive delivers up to 69,500 4KB random read IOPS and 14,000 4KB random write IOPS when workloads remain continuous. Endurance is rated at .8 DWPD, so write-heavy bursts must stay within that daily budget to avoid premature wear. Performance remains stable as long as the queue depth and temperature stay within enterprise specifications. Workloads exceeding the write endurance should consider a higher DWPD model.

商品特色

  • Low-latency reads with up to 69,500 4KB random read IOPS
  • Consistent write performance reaching 14,000 4KB random write IOPS
  • Fits standard 2.5-inch SATA bays with 7.00mm height
  • Read-intensive endurance rated at 0.8 DWPD for mixed workloads
  • Efficient 4W active power draw reduces server thermal load

商品規格

BrandHPE
ModelP18420-B21
Form Factor2.5"
Capacity240GB
InterfaceSATA III
4KB Random ReadUp to 69,500 IOPS
4KB Random WriteUp to 14,000 IOPS
Endurance0.8 DWPD
Features240GB SATA RI SFF SC MV SSD
Power Consumption (Active)4W
Height7.00mm
出貨重量0.45 kg
包裝尺寸229 × 178 × 127 mm

商品問答

How do I install the 2.5" SATA III drive and what step is often missed?

Mount the 7.00mm 2.5" drive in a SFF bay, connect the SATA data and power cables, then enable AHCI in the server BIOS so the OS recognises the 240GB volume.

What maintenance or replacement will the 240GB SATA RI SSD need over its life?

The drive is rated at 0.8 DWPD; plan to replace it once the SMART wear indicator reaches the rated endurance threshold for the 240GB capacity.

Which limit appears first on the P18420-B21 during sustained heavy writes?

The 14,000 IOPS random write ceiling is reached before the 4W active power envelope becomes a constraint.

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