HPE SAS Mixed USE Solid State Drives - 6.4TB SSD - SAS - 2.5IN - 24GBPS - 3-YEAR - P49057-B21

HPE P49057-B21 6.4TB SAS Mixed-Use Solid State Drive

Overview

The HPE P49057-B21 is a 6.4TB SAS solid state drive built for enterprise storage arrays and surveillance NVR backends where consistent performance and multi-workload reliability matter. This 2.5-inch, 24 Gbps interface SSD delivers 173,000 random read IOPS and 130,000 random write IOPS — enough throughput to handle concurrent video streams across dozens of camera channels without bottlenecking your array. At 3 DWPD (drive writes per day), the P49057-B21 is rated for sustained mixed-use workloads, not just sequential archival. The hot-pluggable form factor and 3-year manufacturer warranty make it a practical refresh component for production environments where downtime costs real money.

Key Features

• 6.4TB capacity: Stores roughly 22–28 days of continuous 4K multi-camera footage (depends on codec and compression), or serves as a high-performance tier in tiered storage arrays. Scales horizontally across multiple drives to push NVR retention windows from weeks into months without sacrificing write performance.
• 173,000 random read IOPS: Handles simultaneous video playback requests — multiple forensic clips pulled from different timestamps at once without stalling the live record stream. Essential for systems serving 20+ concurrent user sessions or automated evidence retrieval workflows.
• 130,000 random write IOPS: Absorbs the write load from continuous ingest across dozens of camera channels plus metadata and indexing overhead. Prevents array-level write collisions that cause frame drops or timestamp jitter on archive systems.
• 24 Gbps SAS interface: Matches modern enterprise SAS expanders and RAID controllers. Eliminates interface saturation — real-world throughput headroom is critical when your NVR is recording 8+ simultaneous 20 Mbps streams and replaying historical footage on demand.
• 3 DWPD endurance rating: Rated for 3 drive writes per day, every day, for the warranty period. This SSD won't degrade prematurely under heavy surveillance write patterns (24/7 ingest, frequent indexing, snapshot metadata). Mixed-use rating means it tolerates read spikes without performance cliff-edges.
• 15mm height, hot-pluggable design: Drops into existing 2.5-inch SAS bays without adapter hardware or firmware updates. Hot-swap capability means you can replace a failed drive during business hours without powering down the NVR or flushing the recording buffer — minimal disruption to ongoing surveillance.
• 17.64W operating power: Moderate thermal footprint in dense storage enclosures. Multiple drives in a single array won't require overspecced cooling upgrades; thermal headroom is especially valuable in edge or indoor mount scenarios where airflow is constrained.

Integration & Compatibility

The P49057-B21 uses standard SAS protocol (SAS 3.0 24 Gbps) and fits any enterprise storage array, NVR JBOD, or RAID enclosure with 2.5-inch SAS bays. Verify your array's firmware supports this capacity and generation — most HPE ProLiant servers and StoreEasy appliances recognize it without configuration. The hot-pluggable connector means zero downtime swaps in live environments. Pair with enterprise-class raid controllers that support drive monitoring (SMART predictive failure, temperature thresholds) to catch degradation before it cascades into data loss.

What's in the Box

The P49057-B21 ships as a bare drive — no mounting brackets, cables, or documentation. Install directly into compatible SAS bays.

Frequently Asked Questions

Q: Is the P49057-B21 compatible with my HPE ProLiant DL360 server?

A: Yes. The P49057-B21 uses standard SAS 24 Gbps interface and fits any 2.5-inch SAS bay in ProLiant Gen9 or later. Confirm your RAID controller firmware recognizes 6.4TB capacity (older firmware may have capacity limits); HPE publishes support matrices for each server generation.

Q: Can I use this SSD in a RAID-5 or RAID-6 array?

A: Yes. The P49057-B21 is designed for mixed-use enterprise environments and handles RAID write patterns without performance degradation. Use standard rebuild policies appropriate to your workload — hot-spare provisioning is recommended for arrays with continuous ingest.

Q: What's the warranty coverage on the P49057-B21?

A: 3-year manufacturer warranty. Covers hardware defects and includes advance replacement on qualifying failures.

Q: Does the P49057-B21 require special firmware or driver support?

A: No. The drive uses standard SAS protocol and requires no additional drivers. Install into any SAS-capable enclosure or controller; SMART monitoring and thermal telemetry are handled by your RAID firmware.

Q: How much video retention can I expect with the 6.4TB capacity?

A: Retention depends on stream bit rate and codec. At 20 Mbps per stream (typical compressed HD), you get roughly 28 days of continuous single-camera footage. In a 16-camera array, expect 1.75 days unless you add additional drives or enable tiered storage with lower-bitrate archives.

Eden Phillips

The HPE P49057-B21 makes sense if you're running an enterprise NVR or storage appliance that demands sustained random I/O without thermal throttling. The 173K random read IOPS spec is real — it's not a peak burst number, it's what the drive delivers under continuous load. That matters when your VMS is pulling 15 concurrent forensic clips while live cameras keep writing. I spec the P49057-B21 into surveillance backend arrays where multi-user access and 24/7 ingest overlap.

Technical Highlights:

• 173,000 random read IOPS: Handles simultaneous video playback and live recording without queue saturation. Compare to SATA alternatives that max out around 80K IOPS — the SAS interface and native NVMe-like performance mean no stalls when three investigators pull clips at once.
• 130,000 random write IOPS: Absorbs metadata writes, index updates, and snapshot operations alongside continuous video ingest. With 3 DWPD endurance, this drive won't degrade under the write abuse of 24/7 surveillance plus archive indexing.
• 24 Gbps SAS interface: No bottleneck at the protocol layer. Modern RAID controllers saturate at around 2.4 GB/s aggregate throughput — the P49057-B21 won't be your limiting factor even in a dense 16-drive JBOD.

Deployment Considerations:

• Hot-swap capability requires firmware support in your RAID controller — verify your ProLiant generation or external enclosure manual before relying on drive replacement during operation.
• 6.4TB capacity is large but not infinite; in a 16-camera system recording 20 Mbps per stream 24/7, you're looking at ~1.75 days retention per drive. Plan for raid-level redundancy (RAID-6 minimum) because a single failed member in a dense array can force a lengthy rebuild.

Best fit: enterprise surveillance backends and tiered NVR arrays where you need the read performance for forensic access and the write endurance for continuous ingest. Avoid if you're building a small 4-camera edge NVR — a single SATA SSD will cost less and perform fine for light-duty ingest.