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HPE MB4000JFDSN 4TB 7.2K-RPM SAS 12Gb/s LFF 3.5 HDD

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The HPE MB4000JFDSN (Option Part: 826074-B21 / Spare: 826550-001 / Assembly: 818364-002) is a genuine 4TB SAS Midline hard drive built for enterprise storage environments where cost-per-gigabyte and dependable performance are essential. Based on Toshiba MG04SCA40EN technology, it spins at 7,200 RPM with a 128MB cache buffer and an 8.5ms average seek time, delivering high throughput for 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 servers and D6020/D6000 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, 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 HPE Smart Carrier (SC) pre-attached (as pictured), 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.
This HPE MB4000JFDSN 4TB SAS hard drive is built specifically for HPE'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 HPE ProLiant server models across multiple generations.
HPE ProLiant Gen5/Gen6/Gen7/Gen8/Gen9/Gen10 Servers (LFF Bays):
HPE 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 HPE MB4000JFDSN is HPE-manufactured with 512n sector format, a 128MB cache buffer, an 8.5ms average seek time, a genuine HPE security sticker, and an HPE 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 MB4000JFDSN 4TB SAS hard drive worth choosing over a cheaper, unverified alternative:
This HPE MB4000JFDSN 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 HPE MB4000JFDSN 4TB SAS hard drive, with a focus on quality, compatibility, and customer satisfaction.
You get a genuine HPE drive with 512n sector format, dual-port redundancy, 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 Gen5 through Gen10 servers with 3.5" LFF drive bays, as well as D6020/D6000 disk enclosures. Our free compatibility check confirms your exact server model and backplane revision 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.