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HPE 791034-S21 1.8TB 10K-RPM SAS 12Gb/s SFF 2.5 HDD
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HPE 791034-S21 1.8TB 10K-RPM SAS 12Gb/s SFF 2.5 HDD
- 1.8TB High-Capacity Storage
- 10,000 RPM Spindle Speed
- SAS 12Gb/s Interface (1.2 GB/s Transfer Rate)
- 2.5" SFF Form Factor
- 128MB Cache Buffer
- Genuine HPE Enterprise Drive with Smart Carrier
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HPE 791034-S21 1.8TB 10K-RPM SAS 12Gb/s SFF Hard Drive
The HPE 791034-S21 (SmartBuy Part) is a genuine 1.8TB SAS Enterprise hard drive built for enterprise storage environments where high capacity, performance, and uptime are critical. Based on the EG1800JEMDB model, it spins at 10,000 RPM with a 128MB cache buffer, delivering high IOPS and low latency for database workloads, transaction processing, and virtualized environments. The 12Gb/s SAS interface provides a stable, high-throughput connection with a data transfer rate of 1.2 GB/s, ensuring your most demanding applications never wait for storage.
This drive features 512e Advanced Format, ensuring compatibility with both legacy 512-byte and modern 4KiB-aligned operating systems and applications. It is also hot-swappable, meaning it can be replaced without shutting down the system — minimizing downtime during maintenance. The drive comes with an HPE Smart Carrier (SC) pre-attached, making it ready for hot-plug installation in compatible ProLiant systems.
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 791034-S21 SAS Hard Drive
General Information
Technical Information
Interfaces/Ports
Physical Characteristics
Miscellaneous
Compatibility Guide for HPE 791034-S21 SAS Hard Drive
This HPE 791034-S21 1.8TB SAS hard drive is built specifically for HPE's ProLiant server architecture with Smart Carrier (SC) compatibility. It is designed for Gen5 through Gen10+ server families. Before ordering, it's worth double-checking your exact system model and backplane revision. In general, this drive fits into:
HPE ProLiant Servers:
- ProLiant Gen5, Gen8, Gen9, Gen10, Gen10+ Server Families
- ProLiant DL, ML, BL, WS, XL, SL, CL Series with 2.5" SFF Smart Carrier Drive Bays
Specific Compatible Models:
- ProLiant DL20 Gen9/Gen10, DL160 Gen8/Gen9/Gen10, DL180 Gen9
- ProLiant DL320e Gen8, DL360 Gen8e/Gen8p/Gen9, DL380 Gen8e/Gen9
- ProLiant DL385 Gen5p/Gen8, DL388 Gen9/Gen10
- ProLiant DL560 Gen8/Gen9, DL580 Gen8/Gen9
- ProLiant BL420c Gen8, BL460c Gen8/Gen9/Gen10, BL465c Gen8, BL660c Gen8/Gen9
- ProLiant ML350e Gen8
HPE Storage Systems:
- HPE StoreVirtual 4130, 4330, 4335, 4630, 4730
Compatibility Notes:
- For use with Gen5, Gen8, Gen9, Gen10, Gen10+ servers with Smart Carrier (SC)
- Not recommended for Gen11 servers – use newer HPE drives for Gen11 deployments
- Dual-port design supports redundant paths in compatible systems
Why Buy the HPE 791034-S21 1.8TB 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 791034-S21 is HPE-manufactured with 512e Advanced Format, a 128MB cache buffer, and a genuine HPE security sticker with Smart 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 791034-S21 1.8TB SAS hard drive worth choosing over a cheaper, unverified alternative:
- Genuine HPE Enterprise Part with Security Sticker
- High 1.8TB Capacity for Space-Constrained Servers
- Fast 10,000 RPM Speed with 128MB Cache
- Ultra-Fast 12Gb/s Throughput (1.2 GB/s)
- 512e Advanced Format for Data Integrity
- Dual-Port Redundancy for High Availability
- Smart Carrier Included for Easy Installation
- 3-Year Limited Warranty
Where to Use the HPE 791034-S21 1.8TB SAS Hard Drive
This HPE 791034-S21 1.8TB SAS hard drive fits teams maintaining ProLiant server infrastructure who need high-capacity, high-performance storage without compromise. Common deployment scenarios include:
- ProLiant Gen5-G10+ SFF Server Deployments
- Enterprise Database Servers (OLTP Workloads)
- Virtualized Server Environments (VMware, Hyper-V)
- High-Performance Storage Tiers
- Business-Critical Applications and Large Databases
- HPE StoreVirtual Storage Systems
Why Choose Us for HPE 791034-S21 1.8TB SAS Hard Drive
We are a trusted provider of genuine enterprise storage solutions including the HPE 791034-S21 1.8TB SAS hard drive, with a focus on quality, compatibility, and customer satisfaction.
- 100% Genuine HPE 791034-S21 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
- Smart Carrier Included with HPE 791034-S21
- Trusted by 500+ Enterprise Customers
- 5-Star Rated Service for HPE Storage Solutions
FAQs
What's the difference between SmartBuy Part 791034-S21 and Option Part 791034-B21?
791034-S21 is the HPE SmartBuy (volume purchase) part number, while 791034-B21 is the standard option part number. They refer to the same EG1800JEMDB 1.8TB 10K SAS drive with identical specifications, 128MB cache, and Smart Carrier — you're getting the same genuine HPE quality either way.
Is the HPE 791034-S21 compatible with my ProLiant Gen8, Gen9, or Gen10 server?
Yes, this drive is fully validated for ProLiant Gen8, Gen9, Gen10, Gen10+, and Gen5 servers with Smart Carriers. It is not recommended for Gen7 or earlier servers, or Gen11 servers. Our free compatibility check confirms your specific system model and backplane revision before you order.
Why should I pay more for the HPE 791034-S21 instead of a cheaper generic 1.8TB SAS drive?
When you buy from us, you get a genuine HPE drive with 512e Advanced Format, a 128MB cache, and firmware that your HPE controller expects — generic drives often lack proper optimization and can cause RAID rebuild failures or array dropouts. We also include free compatibility verification, a 90-day warranty, and 24/7 support from HPE-certified engineers. If the drive doesn't work in your system, we cover returns and replacements with no questions asked — protecting both your investment and your production environment.