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HPE 857644-B21 10TB 7.2K-RPM SAS 12Gb/s LFF 3.5 HDD
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HPE 857644-B21 10TB 7.2K-RPM SAS 12Gb/s LFF 3.5 HDD
- 10TB Massive Storage Capacity
- 7,200 RPM Spindle Speed
- SAS 12Gb/s Interface (1.2 GBps Transfer Rate)
- 3.5" LFF Form Factor with SmartDrive Carrier
- 512e Advanced Format with Helium-Sealed Design
- Genuine HPE Midline Drive with Digitally Signed Firmware
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From HPE
HPE 857644-B21 10TB 7.2K-RPM SAS 12Gb/s LFF Hard Drive
The HPE 857644-B21 (Spare Part: 857965-001 / Assembly: 857642-002 / Model: MB010000JWAYK) is a genuine 10TB SAS Midline hard drive built for enterprise storage environments where cost-per-gigabyte and dependable performance are essential. Spinning at 7,200 RPM with an 8ms average seek time, it's engineered to support server workloads, backup operations, and archival storage tiers with a balanced approach to speed and economy. The 12Gb/s SAS interface provides a stable, high-throughput connection with a data transfer rate of 1.2 GBps, which is exactly what ProLiant Gen8 through Gen10 servers are built around.
What sets this drive apart is its Helium-sealed design, which reduces power consumption and improves storage density, making it ideal for high-capacity enterprise environments. Although hard drives are sealed, they have air inside. Air can create turbulence-induced vibrations which can limit the storage density of HDDs. Helium-filled drives virtually eliminate turbulence because helium is 1/7th as dense as air. This lower density allows the read/write mechanism to spin more easily and precisely, with less drag. Less internal turbulence means the drive platters can be closer together, allowing more platters and increasing the capacity potential in the same space. Less turbulence also means helium drives tend to use less power, and run cooler and quieter.
The drive features 512e Advanced Format, ensuring compatibility with both legacy 512-byte and modern 4KiB-aligned operating systems and applications. It also features Digitally Signed (DS) firmware, which provides the security and assurance that drive firmware comes from a trusted source and protects against malicious attacks. As a Midline (MDL) drive with an MTBF of 2.5 million hours, it offers an ideal balance between performance and cost — more robust than desktop drives with better reliability for 24/7 operation, yet more affordable than high-performance Enterprise models. It comes with an HPE SmartDrive Carrier (SC) pre-attached (as pictured), featuring system status LEDs, a "Do-Not-Remove" button to prevent accidental drive removal, and a remote activation LED for streamlined maintenance in large server arrays.
All HPE hard drives pass a rigorous qualification process, which certifies that every drive is proven to perform in your HPE ProLiant Server environments. Before final certification, all HPE Server Midline Hard Drives are optimized for compatibility and functionality, including support of SMART and HPE Systems Insight Manager.
Because this is a genuine HPE component rather than a generic or rebadged drive, it carries original HPE firmware and a genuine HPE security sticker. That matters when you're replacing a drive in a live server — mismatched or unverified parts can cause RAID rebuild failures or degraded performance.
Specifications of HPE 857644-B21 SAS Hard Drive
General Information
Technical Information
Interfaces/Ports
Physical Characteristics
Miscellaneous
Compatibility Guide for HPE 857644-B21 SAS Hard Drive
This HPE 857644-B21 10TB SAS hard drive is built specifically for HPE's ProLiant server architecture with SmartDrive Carrier (SC) compatibility, which means it's designed to work within the storage enclosures and backplanes that were engineered to support SAS interfaces. It is compatible with a broad range of HPE ProLiant server models across multiple generations.
HPE ProLiant Gen10 Servers (3.5" LFF Bays):
- ProLiant DL360 Gen10 — Base, Entry, High Performance, Low, Network Choice, Performance, SMB, Solution
- ProLiant DL380 Gen10 — Base, Entry, Entry SMB, High Performance, Network Choice, Performance, SMB, Solution
- ProLiant DL380 Gen10 for SAP HANA Compute Block (3.5")
- ProLiant DL380 Gen10 All Flash Server for Datera (3.5")
- ProLiant DL380 Gen10 for Cohesity DataPlatform (3.5")
- ProLiant DL380 Gen10 Hybrid Server for Datera (3.5")
- ProLiant DL385 Gen10 — Base, Entry, High Performance, Performance, Solution
- ProLiant DL20 Gen9 — Entry, Performance, Solution
HPE ProLiant Gen9 Servers (3.5" LFF Bays):
- ProLiant DL120 Gen9 Entry (3.5")
- ProLiant DL180 Gen9 Storage (3.5")
- ProLiant DL20 Gen9 (3.5")
- ProLiant DL20 Gen9 Entry (3.5")
- ProLiant DL20 Gen9 Performance (3.5")
- ProLiant DL20 Gen9 Solution (3.5")
- ProLiant ML110 Gen9 (3.5")
HPE ProLiant Gen8 Servers (3.5" LFF Bays):
- Backward compatible with HPE ProLiant G8 servers using standard hot-plug carriers
HPE Storage Systems:
- HPE Nimble Storage dHCI Large Solution with ProLiant DL380 Gen10 (3.5")
- HPE Nimble Storage dHCI Medium/Small Solution with ProLiant DL360 Gen10 (3.5")
- HPE Apollo Gen10
- HPE StoreVirtual Systems
Compatibility Notes:
- For use with Gen8, Gen9, and Gen10 servers with 3.5" LFF SmartDrive Carrier (SC) drive bays
- Backward compatible with HPE ProLiant G7 and earlier servers using standard hot-plug carriers
- Not recommended for Gen11/Gen12 servers — use newer HPE drives for these platforms
- This item was discontinued by HPE on March 08, 2021 — limited stock available. Contact us for current availability before ordering
- If unsure about compatibility, contact us for a free verification check
Why Buy the HPE 857644-B21 10TB SAS Hard Drive?
When you're sourcing a replacement drive for an active server or storage enclosure, the difference between a genuine part and an unverified clone shows up the first time you need to rebuild a RAID set. The HPE 857644-B21 is HPE-manufactured with Helium-sealed design, 512e Advanced Format, Digitally Signed (DS) firmware, an 8ms average seek time, a genuine HPE security sticker, and an HPE SmartDrive Carrier included. This means it carries the firmware and mechanical tolerances your server's controller already expects — no compatibility guesswork, no risk of a failed rebuild because of a mismatched drive. Here's what makes this HPE 857644-B21 10TB SAS hard drive worth choosing over a cheaper, unverified alternative:
- Genuine HPE Midline Part with Security Sticker
- Massive 10TB Capacity for Maximum Storage Density
- Reliable 12Gb/s Throughput (1.2 GBps)
- 512e Advanced Format for Data Integrity
- Helium-Sealed Design for Lower Power Consumption
- Digitally Signed Firmware for Enhanced Security
- Instant Secure Erase (ISE) for Data Protection
- SmartDrive Carrier Included for Easy Installation
- 1-Year Limited Warranty
Where to Use the HPE 857644-B21 10TB SAS Hard Drive
This HPE 857644-B21 10TB SAS hard drive fits teams maintaining ProLiant server and storage infrastructure who need massive, dependable storage without downtime. Common deployment scenarios include:
- ProLiant Gen8/Gen9/Gen10 LFF Server Deployments
- HPE Nimble Storage dHCI Solutions
- HPE Apollo Gen10 Systems
- Bulk Data Storage and Cloud Infrastructure
- Backup and Archival Storage
- HPE StoreVirtual Systems
- Enterprise File and Object Storage Solutions
- Data Warehousing and Analytics Platforms
Why Choose Us for HPE 857644-B21 10TB SAS Hard Drive
We are a trusted provider of genuine enterprise storage solutions including the HPE 857644-B21 10TB SAS hard drive, with a focus on quality, compatibility, and customer satisfaction.
- 100% Genuine HPE 857644-B21 Parts with Security Sticker
- Free Compatibility Verification for Your System
- 90-Day Warranty on Refurbished HPE Drives
- Same Day Shipping Available
- 24/7 Expert Technical Support for HPE Hardware
- SmartDrive Carrier Included with HPE 857644-B21
- Trusted by 500+ Enterprise Customers
- 5-Star Rated Service for HPE Storage Solutions
FAQs
Why should I buy the HPE 857644-B21 from you instead of a cheaper generic drive?
You get a genuine HPE drive with Helium-sealed design, Digitally Signed firmware, 512e Advanced Format, and a SmartDrive Carrier included. Generic drives cause RAID failures — we back ours with a 90-day warranty and free compatibility check.
Is the HPE 857644-B21 compatible with my ProLiant Gen8, Gen9, or Gen10 server?
Yes, it's fully validated for ProLiant Gen8, Gen9, and Gen10 servers with 3.5" LFF drive bays, as well as Nimble dHCI solutions and Apollo Gen10 systems. Our free compatibility check confirms your exact server model and backplane revision before you order.
What if the HPE 857644-B21 doesn't work in my server?
We stand behind every drive. Our 24/7 support team is ready to help, and our 90-day warranty covers free returns and replacements with no questions asked — your investment is fully protected.