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872394-B21
HP 3.84TB 12GB/S 2.5-INCH SFF SAS RI_X000D_ DS SSD_X000D_
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.

Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
872394-B21 is a high-performance HDD designed for enterprise-grade applications. This drive features a 3.5-inch form factor paired with a SATA III interface and operates at a 7200 RPM spindle speed. It offers 4 TB of storage capacity with a 256 MB cache, and it is engineered for reliability with an annual workload rating of 550 TB/yr and an MTBF of 1,000,000 hours to support rigorous, continuous operations.
Optimized for diverse use cases including data centers, desktops, NAS, and surveillance systems, 872394-B21 incorporates advanced technologies such as helium-sealed construction, vibration protection, and dual actuator technology. Its efficient power consumption of 8 Watts during read/write operations and 6 Watts when idle ensures robust performance in demanding environments while maintaining energy efficiency.
872394-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 872394-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
In a global financial services data center, the 872394-B21-HP 3.84TB 12Gb/s 2.5″ SFF SAS RI DS SSD powers high-frequency trading and real-time transaction processing. By delivering sustained 350K IOPS and sub-millisecond latency, it ensures 99.99% database availability, reduces end-user query times by 30%, and maintains compliance with stringent SLAs.
A multinational corporation consolidates its VMware Horizon environment on servers equipped with the 872394-B21-HP 3.84TB 12Gb/s 2.5″ SFF SAS RI DS SSD. The solution supports 2,000+ concurrent virtual desktops, boosts IOPS by 40%, and cuts storage footprint by 25%. Employees experience faster boot-storms, seamless application launches, and consistent performance under peak loads.
A retail analytics provider deploys Hadoop clusters with 872394-B21-HP 3.84TB 12Gb/s 2.5″ SFF SAS RI DS SSDs to ingest and index streaming sales data. The high-density SSD array processes 5TB of new daily records with 200K sustained IOPS, accelerating report generation from hours to minutes. Business users gain actionable insights on pricing, inventory trends, and customer behavior in real time.
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| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Server | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SAS 12Gb/s | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 4 TB | 10 TB | 4 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8.0 Watts | 8 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 6 Watts | 6.0 Watts | 5 Watts | 5 Watts | 5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | No | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 872394-B21 Enterprise Helium Sealed HDD | 862163-B21 Enterprise Performance 4TB SAS HDD | 619291-B21 | 507284-001 Enterprise HDD | 846436-B21 High Performance Enterprise HDD |
| Height | 1.03 | 1.03 inches | 1.03 inches | 1 inch | 1.03 inches |
| Width | 4.00 | 5.79 inches | 4.0 inches | 4 inches | 5.79 inches |
| Depth | 5.79 | 4.01 inches | 5.8 inches | 5.79 inches | 8.74 inches |
| Weight | 2.20 | 1.75 lbs | 1.8 lbs | 2.0 lbs | 1.6 lbs |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
High-capacity SAS RI SSD performs consistently.
Ideal for read-heavy workloads.
Stable firmware and strong read speeds.
No performance drops observed.
Enterprise-ready SSD.
The HP 872394-B21 is a 3.84 TB solid-state drive in a 2.5-inch small form factor (SFF) optimized for rack-mounted storage.
It uses a 12 Gb/s Serial Attached SCSI (SAS) interface, delivering enterprise-class read/write throughput over SAS-3 with backward compatibility to SAS-2 (6 Gb/s).
This SSD delivers up to 250,000 IOPS for random reads and up to 50,000 IOPS for random writes, ideal for high-transaction workloads.
Yes. The drive is hot-swappable in any compatible 2.5″ SAS bay, enabling non-disruptive maintenance and upgrades.
It features a Mean Time Between Failures (MTBF) of 2 million hours and enterprise-grade ECC with end-to-end data protection.
This drive is rated for enterprise workloads at 1 DWPD (Drive Writes Per Day) over a 5-year lifecycle, supporting sustained write-intensive applications.
Fully validated on HPE ProLiant servers, HPE Apollo storage, and HPE Smart Array controllers for seamless integration and firmware updates.
Yes. It supports SED-ready secure erase and FIPS 140-2 compliant encryption when paired with an HPE controller that enables data-at-rest security.
Active power is typically 8 W, while idle power is 3 W, delivering an efficient balance of performance and energy savings.
Absolutely. It is certified for RAID with HPE Smart Array controllers, ensuring optimized performance and data protection across multiple drives.
Ideal for virtualization, database acceleration, analytics, and high-performance computing where low latency and high IOPS are critical.
Slide the SSD into an available 2.5″ SAS hot-swap bay until it clicks, then verify recognition in your server’s RAID or BIOS utility.
Occasional firmware updates are available via the HPE Support Center to ensure optimal performance, reliability, and compatibility.
This drive is backed by a 3-year HPE limited warranty with optional extension and support services for added protection.
Yes, it auto-negotiates down to SAS-2 (6 Gb/s) speeds, ensuring compatibility with legacy SAS infrastructures.
By delivering high IOPS per watt, enterprise endurance, and hot-swap capability, it reduces total cost of ownership and maximizes uptime.