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HPE P28505-B21 2TB 7.2K-RPM SAS 12Gb/s SFF 2.5 HDD
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HPE P28505-B21 2TB 7.2K-RPM SAS 12Gb/s SFF 2.5 HDD
P28505-B21
- 2TB High-Capacity Storage
- 7,200 RPM Spindle Speed
- SAS 12Gb/s Interface (1.2 GBps Transfer Rate)
- 2.5" SFF Form Factor with Basic Carrier (BC)
- 128MB Cache Buffer for Performance
- Genuine HPE Business Critical Drive with Digitally Signed Firmware
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HPE P28505-B21 2TB 7.2K-RPM SAS 12Gb/s SFF Hard Drive
The HPE P28505-B21 (Model: MM2000JEFRC / Spare: P30575-001 / Assembly: P28507-001) is a genuine 2TB SAS Business Critical hard drive built for enterprise storage environments where high capacity, proven performance, and data security are essential. Based on Seagate Exos 7E2000 (ST2000NX0273) technology, it spins at 7,200 RPM with a 128MB cache buffer and an internal data rate of 130 MBps, delivering reliable throughput for business-critical applications, database servers, and virtualization environments. The 12Gb/s SAS interface provides a stable, high-throughput connection with an external transfer rate of 1.2 GBps, which is exactly what ProLiant Gen10 Plus, Gen11, and Gen12 servers are built around.
What sets this drive apart is its Business Critical (BC) classification — HPE's enterprise-class storage designed for demanding 24x7 data center operations where reliability, uptime, and data integrity are critical. 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 prevents unauthorized access or malicious modifications to the drive's firmware, ensuring a secure foundation for your data, as well as Instant Secure Erase (ISE) technology to simplify the cost and complexity of re-purposing or disposing of drives while protecting data. The drive comes with an HPE Basic Carrier (BC) pre-attached, making it ready for hot-plug installation in compatible ProLiant Gen10 Plus, Gen11, and Gen12 servers. All HPE hard drives pass a rigorous qualification process, which certifies that every drive is proven to perform in your HPE server and storage environments.
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 P28505-B21 SAS Hard Drive
General Information
Technical Information
Interfaces/Ports
Physical Characteristics
Miscellaneous
Compatibility Guide for HPE P28505-B21 SAS Hard Drive
This HPE P28505-B21 2TB SAS hard drive is built specifically for HPE's next-generation ProLiant server architecture with Basic Carrier (BC) compatibility. It is designed for Gen10 Plus, Gen11, and Gen12 server families with 2.5" SFF drive bays.
HPE ProLiant Gen10 Plus Servers:
- ProLiant DL20 Gen10 Plus (2.5") — Base, Entry, High Performance, Performance
- ProLiant DL325 Gen10 Plus V2 (2.5") — Base, For Weka Base Tracking, Performance
- ProLiant DL345 Gen10 Plus (2.5") — Base, Entry
- ProLiant DL360 Gen10 Plus (2.5") — All-NVMe Server for Software Defined Storage, For Weka Base Tracking, Network Choice
- ProLiant DL365 Gen10 Plus (2.5")
- ProLiant DL380 Gen10 Plus (2.5") — Network Choice
- ProLiant ML30 Gen10 Plus (2.5") — Entry, Performance
- SimpliVity 325 Gen10 Plus V2 Node
HPE ProLiant Gen11 Servers:
- ProLiant DL110 Gen11
- ProLiant DL320 Gen11
- ProLiant DL325 Gen11
- ProLiant DL345 Gen11
- ProLiant DL360 Gen11
- ProLiant DL365 Gen11
- ProLiant DL380 Gen11
- ProLiant DL385 Gen11
- ProLiant DL560 Gen11
- ProLiant ML110 Gen11
- ProLiant ML350 Gen11
HPE ProLiant Gen12 Servers:
- Select Gen12 configurations with Basic Carrier (BC) drive bays
Compatibility Notes:
- For use with Gen10 Plus, Gen11, and Gen12 servers with 2.5" SFF Basic Carrier (BC) drive bays
- Not recommended for Gen10 or earlier servers — use standard Smart Carrier drives
- Not for use with HPE MSA storage arrays
- If unsure about compatibility, contact us for a free verification check
Why Buy the HPE P28505-B21 2TB SAS Hard Drive?
When you're sourcing a replacement drive for an active server, the difference between a genuine part and an unverified clone shows up the first time you need to rebuild a RAID set. The HPE P28505-B21 is HPE-manufactured with 512e Advanced Format, Digitally Signed (DS) firmware, Instant Secure Erase (ISE), a 128MB cache buffer, a genuine HPE security sticker, and an HPE Basic Carrier (BC) 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 P28505-B21 2TB SAS hard drive worth choosing over a cheaper, unverified alternative:
- Genuine HPE Business Critical Part with Security Sticker
- 2TB Reliable High-Capacity Storage
- Stable 12Gb/s Throughput (1.2 GBps)
- 128MB Cache for Better Performance
- 512e Advanced Format for Data Integrity
- Digitally Signed Firmware for Enhanced Security
- Instant Secure Erase (ISE) for Data Protection
- Basic Carrier Included for Easy Installation
Where to Use the HPE P28505-B21 2TB SAS Hard Drive
This HPE P28505-B21 2TB SAS hard drive fits teams maintaining next-generation ProLiant server infrastructure who need dependable, high-capacity storage without downtime. Common deployment scenarios include:
- ProLiant Gen10 Plus, Gen11, and Gen12 SFF Server Deployments
- Business-Critical Applications and Database Servers
- Virtualization Environments (VMware, Hyper-V)
- Bulk Data Storage and Cloud Infrastructure
- Backup and Archival Storage
- File Storage and Sharing
- Enterprise Database Servers Requiring High Capacity
Why Choose Us for HPE P28505-B21 2TB SAS Hard Drive
We are a trusted provider of genuine enterprise storage solutions including the HPE P28505-B21 2TB SAS hard drive, with a focus on quality, compatibility, and customer satisfaction.
- 100% Genuine HPE P28505-B21 Parts with Security Sticker
- Free Compatibility Verification for Your Server
- 90-Day Warranty on Refurbished HPE Drives
- Same Day Shipping Available
- 24/7 Expert Technical Support for HPE Hardware
- Basic Carrier Included with HPE P28505-B21
- Trusted by 500+ Enterprise Customers
- 5-Star Rated Service for HPE Storage Solutions
FAQs
Why should I buy the HPE P28505-B21 from you instead of a cheaper generic drive?
You get a genuine HPE Business Critical drive with Digitally Signed firmware, Instant Secure Erase, and a Basic Carrier included. Generic drives cause RAID failures — we back ours with a 90-day warranty and free compatibility check.
Is the HPE P28505-B21 compatible with my Gen10 Plus, Gen11, or Gen12 server?
Yes, it's fully validated for ProLiant Gen10 Plus, Gen11, and Gen12 servers with 2.5" SFF Basic Carrier (BC) drive bays. Our free compatibility check confirms your exact server model before you order.
What if the HPE P28505-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.