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HPE EG1800JEHMD 1.8TB SAS 10K-RPM 12Gb/s SFF 2.5 HDD

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The HPE EG1800JEHMD (Model Number) is a genuine 1.8TB SAS Enterprise hard drive built for enterprise storage environments where high capacity, performance, and uptime are critical. Based on Seagate Enterprise Performance 10K HDD v8 (ST1800MM0168) technology, 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 with an average seek time of 3.7ms, 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 and MSA 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.
This HPE EG1800JEHMD 1.8TB SAS hard drive is built specifically for HPE's ProLiant server and MSA storage architecture with Smart Carrier (SC) compatibility. It is designed for Gen8, Gen9, and Gen10 server families and MSA storage arrays — using this drive in an unsupported system may cause compatibility issues. Before ordering, it's worth double-checking your exact system model and backplane revision. In general, this drive fits into:
HPE ProLiant Servers:
HPE Synergy Systems:
HPE MSA Storage Arrays:
Compatibility Notes:
When you're sourcing a replacement drive for an active server or storage array, the difference between a genuine part and an unverified clone shows up the first time you need to rebuild a RAID set. The HPE EG1800JEHMD 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 controller already expects — no compatibility guesswork, no risk of a failed rebuild because of a mismatched drive. Here's what makes this HPE EG1800JEHMD 1.8TB SAS hard drive worth choosing over a cheaper, unverified alternative:
This HPE EG1800JEHMD 1.8TB SAS hard drive fits teams maintaining ProLiant server, Synergy, and MSA storage infrastructure who need high-capacity, high-performance storage without compromise. Common deployment scenarios include:
We are a trusted provider of genuine enterprise storage solutions including the HPE EG1800JEHMD 1.8TB SAS hard drive, with a focus on quality, compatibility, and customer satisfaction.
791034-B21 and J9F49A are the HPE option (ordering) part numbers used for new system configurations, while 791055-001 and 787649-001 are the spare part numbers used for service and replacement orders. They all refer to the same EG1800JEHMD 1.8TB 10K SAS drive with identical specifications — you're getting the same genuine HPE quality either way.
Yes, this drive is compatible with both ProLiant Gen8/Gen9/Gen10 servers and MSA 1040/1050/2040/2050/2052 storage arrays. However, MSA arrays are firmware-sensitive — we recommend verifying your specific system model and firmware with our free compatibility check before ordering to ensure plug-and-play compatibility.
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.