HPE P40430-B21 — 300GB 10K SAS SFF HDD (512n, Mission-Critical, Basic Carrier)

What it is: A genuine HPE 300GB, 10,000-rpm, SAS 12Gb/s 2.5" SFF Mission-Critical (MC) hard drive with 512n sector format, supplied in an HPE Basic Carrier (BC) and backed by a 3-year warranty. Built for ProLiant Gen10/Gen10+ (and newer where supported).

Why buyers pick P40430-B21 (plain English)

• Enterprise duty cycle: MC line for 24×7, I/O-intensive workloads where predictable latency matters.

• SAS reliability & dual-porting: stable performance and backplane resilience vs. SATA.

• No tray/firmware surprises: ships in Basic Carrier (BC) for current ProLiant bays with HPE-qualified firmware.

60-second spec box

Capacity / speed

• 300GB, 10,000 rpm

Interface

• SAS 12Gb/s (dual-port)

Form factor

• 2.5" SFF, hot-swap in Basic Carrier (BC)

Format

• 512n native sector size

Workload class

• Mission-Critical (MC) enterprise HDD

Typical power

• ~3.8W idle • ~6–7W random/sequential (model/batch dependent)

Warranty

• 3-year HPE warranty

Where it fits (and when to choose it)

• Perfect for: ProLiant deployments that want 10K SAS responsiveness for OS/VM tiers, app servers, or mixed arrays—without overbuying capacity.

• Pick 1.2TB/2.4TB 10K if you need larger capacity per spindle at the same performance class.

• Pick SED/FIPS variants if compliance requires self-encrypting drives.

• Pick SAS/NVMe SSDs for heavy write IOPS or sub-ms latency tiers.

Quick compatibility tips

• Designed for Gen10/Gen10+ SFF BC bays; always check your server’s QuickSpecs/firmware matrix.

• For legacy trays (SC/LPCC) or LFF chassis, match the carrier type to your enclosure.

TL;DR

P40430-B21 = 300GB 10K SAS, SFF, 512n, in Basic Carrier, 3-yr HPE warranty—a compact, ProLiant-ready enterprise HDD when you want dependable 10K SAS performance and HPE-qualified compatibility.