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HP 826550-001 4TB 7.2K-RPM SAS 12Gb/s LFF 3.5 HDD

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From HPE
The HP 826550-001 (Option Part: 826074-B21 / Assembly: 820409-002 / Model: MB4000JFEPB) is a genuine 4TB SAS Midline hard drive built for enterprise storage environments where cost-per-gigabyte and dependable performance are essential. Spinning at 7,200 RPM with a 128MB cache buffer and an average seek time of approximately 8.5ms, 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 G1-G7 servers and D6020 storage enclosures are built around.
What sets this drive apart is its 512n sector format, ensuring broad compatibility with legacy operating systems and applications. As a Midline (MDL) drive with an MTBF of 2 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. The drive features dual-port SAS connectivity for built-in redundancy and comes with an HP Smart Carrier (SC) pre-attached, making it ready for hot-plug installation in compatible ProLiant systems.
Because this is a genuine HP component rather than a generic or rebadged drive, it carries original HP firmware and a genuine HP serial number. 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 HP 826550-001 4TB SAS hard drive is built specifically for HP's ProLiant server architecture with Smart 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 HP ProLiant server models across multiple generations.
HP ProLiant G1-G7 Servers (LFF Bays):
HP Storage Systems:
Compatibility Notes:
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 HP 826550-001 is HP-manufactured with a 128MB cache buffer, 512n sector format, a 2 million hour MTBF, and an HP 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 HP 826550-001 4TB SAS hard drive worth choosing over a cheaper, unverified alternative:
This HP 826550-001 4TB SAS hard drive fits teams maintaining ProLiant server and storage infrastructure who need massive, dependable storage without downtime. Common deployment scenarios include:
We are a trusted provider of genuine enterprise storage solutions including the HP 826550-001 4TB SAS hard drive, with a focus on quality, compatibility, and customer satisfaction.
You get a genuine HP drive with a 128MB cache, 512n sector format, and a Smart Carrier included. Generic drives cause RAID failures — we back ours with a 90-day warranty and free compatibility check.
Yes, it's fully validated for ProLiant G1-G7 servers and HP D6020/D6000 disk enclosures with 3.5" LFF drive bays. Our free compatibility check confirms your exact system model before you order.
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.