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A standard 2.5 inch SATA internal SSD in a plain metal casing

HPE

HPE P40504B21 1.92 TB 2.5" SATA internal SSD

SKU CH-MHED-EJWNS MPN P40504B21

A 1.92 TB 2.5" SATA internal SSD rated at 3.05 DWPD for mixed-use server workloads

  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal / External Solid State Drive (SSD)
  • Connection protocolSATA
  • Cache memoryDRAM
  • Product weight1
  • 92 TB capacity stores large datasets and applications
  • SATA 600 interface enables fast data transfers
  • 05 DWPD rating supports heavy mixed-use workloads
  • 5 inch form factor fits standard server bays
  • DRAM cache improves read and write responsiveness

1.92 TB SATA SSD for mixed-use servers

The HPE P40504B21 is a 2.5-inch internal solid-state drive with a 1.92 TB capacity. It connects through a SATA III interface rated at 600 MB/s. The drive is built for mixed-use server workloads and carries a 3.05 DWPD endurance rating.

SATA III interface limits throughput to 600 MB/s

The SATA III link caps sequential transfer rates at 600 MB/s regardless of the NAND speed. Random IOPS will also be bounded by the SATA command overhead and queue depth. System performance scales with the host controller rather than the drive alone.

1.92 TB capacity with 3.05 DWPD endurance headroom

At 1.92 TB the drive holds large datasets and multiple virtual machines. The 3.05 DWPD rating means it can absorb the full capacity written 3.05 times every day for the warranty period. Write-heavy workloads beyond that level will exhaust the endurance reserve faster.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $1,847.99
Pricier than about 91% of the 1,994 comparable items (median $180.49).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameHPE
Model nameP40504-B21
Product typeInternal / External Solid State Drive (SSD)
Storage
Cache memoryDRAM
Connectivity
Connection protocolSATA
Ports & slots
Interface typeSATA III
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight1.36 kg
Package size217 × 188 × 125 mm

Questions about this item

Does the 2.5-inch form factor and SATA 600 interface fit my server drive bay and controller?

The drive uses a standard 2.5-inch form factor and a SATA 600 interface, matching common SFF server bays and SATA backplanes.

What does the 3.05 DWPD rating mean for daily write workloads?

A 3.05 DWPD rating means the 1.92 TB drive is designed to handle its full capacity written 3.05 times per day over the warranty period, suiting mixed-use server applications.

Is a DRAM cache included, and how does it affect performance?

Yes, the drive includes a DRAM cache that accelerates metadata operations and helps sustain consistent latency under mixed read and write loads.

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