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HPE 400GB SATA 6.0Gb/s 3.5 inch internal solid state drive

HPE

HPE 863731-B21 400GB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-GQZZ-NAFC8

400 GB SATA 6.0 Gb/s 3.5" internal solid-state drive for desktop storage

  • Total capacity400 GB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Mean latency6Gb/s
  • 400GB capacity stores operating system and applications
  • SATA 6.0Gb/s interface delivers fast sequential throughput
  • 5-inch LFF form factor fits standard drive bays
  • Solid-state design provides silent, vibration-free operation
  • New HPE enterprise drive ensures consistent reliability

Purpose-built capacity

The HPE 863731-B21 is a 400GB solid-state drive built for 3.5-inch bays using a SATA 6.0Gb/s interface. It targets servers or workstations that need low-latency storage in a large-form-factor slot without moving parts. The bare-drive packaging suits integrators who install directly into drive cages or hot-plug trays.

Upgrade path

It replaces mechanical 3.5-inch hard drives where faster access times and silent operation matter most. The jump is worth it when boot times, application loading or mixed read-write workloads benefit from solid-state responsiveness on an existing SATA backplane.

Capacity and headroom

At 400GB the drive comfortably holds an operating system, core applications and active project files. It runs out when large media libraries, multiple virtual-machine images or extensive database tables demand more space than the single volume provides.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $588.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 400 GB
Lower than about 84% of the 2,372 comparable items (median 2 TB).
Price per TB $1,472.48 per TB
Pricier than about 91% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameHP
Model name863731-B21
Total capacity400 GB
Performance
Mean latency6Gb/s
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

Will the 3.5" form factor of the HPE 863731-B21 fit a standard LFF drive bay?

Yes, the 3.5 inch form factor matches a standard large form factor bay and uses the regular SATA data and power connectors.

What is the installation step that is often missed with this SATA 6.0Gb/s SSD?

Connect both the SATA data cable and the SATA power cable, then verify the controller mode is set to AHCI in the system BIOS so the 6.0Gb/s link negotiates correctly.

How do I know when the 400GB drive is nearing its write endurance limit?

Monitor the SMART attribute for media wear-out indicator or percentage used; when it approaches the threshold the drive should be replaced to avoid data loss.

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