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Deal.ai › Western Digital
Western Digital
Western Digital Blue SN5100 4TB PCIe Gen 4.0 X4 NVMe M.2 2280 Internal SSD

Western Digital Blue SN5100 4TB PCIe Gen 4.0 X4 NVMe M.2 2280 Internal SSD

Best price now

$720.69at CPU Republic LLCChecked Nov 12

Prices are checked against each store and labelled with when.

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Price facts

  • Last seen at $720.69 at CPU Republic LLC on Nov 12.

Our take on the Western Digital Blue SN5100 4TB PCIe Gen 4.0 X4 NVMe M.2 2280 Internal SSD

The WD Blue SN5100 is a 4TB NVMe drive in the M.2 2280 size, running on PCIe 4.0 x4. That capacity holds a large game library, video projects or a full photo archive on one drive. It is a mainstream Blue-line part, so it trades peak speed for steady everyday performance against premium drives like the WD Black SN850X or Samsung 990 Pro. Buyers pick it for space and PCIe 4.0 bandwidth in a laptop or desktop that has a free M.2 slot.

Best forLaptops and desktops with a free M.2 2280 slotLarge game libraries and media archivesVideo and photo editors who need working spaceBuilders who want one big drive instead of several small ones
Pros
  • 4TB on a single M.2 drive
  • PCIe 4.0 x4 interface for fast sequential transfers
  • Standard 2280 length fits most modern laptops and boards
  • No moving parts: silent and shock-resistant
  • WD Blue line is widely supported and well known
Cons
  • Blue tier sits below WD Black on sustained and random speed
  • DRAM-less design can slow on long sustained writes
  • No heatsink included, so some slots and workloads need one
  • 4TB drives cost more than two smaller drives combined

Western Digital Blue SN5100 4TB PCIe Gen 4.0 X4 NVMe M.2 2280 Internal SSD prices at every store

  • CPU Republic LLCNew

    In stockReturn policy

    $720.69Checked Nov 12
    Visit CPU Republic LLC

About the Western Digital Blue SN5100 4TB PCIe Gen 4.0 X4 NVMe M.2 2280 Internal SSD

The WD Blue SN5100 is a 4TB internal solid state drive in the M.2 2280 form factor. It connects over PCIe Gen 4.0 x4 using the NVMe protocol, which allows low-latency communication between the CPU and the drive.

It has no moving parts, so it runs silently and is shock-resistant and energy-efficient. It can serve as primary or secondary storage in laptops, desktops and workstations, and is suited to game libraries, video editing, 3D rendering and other large-file work.

It reaches full performance in an M.2 PCIe 4.0 slot. In a PCIe 3.0 M.2 slot it works at PCIe 3.0 speeds. A heatsink is not included but is recommended for sustained high-performance workloads. Check that your system's M.2 slot fits the 2280 size before installing.

Model
WD Blue SN5100
Part number
WDS400T5B0E
Capacity
4TB
Interface
PCIe Gen 4.0 x4 NVMe
Form factor
M.2 2280
Protocol
NVMe
Moving parts
None (fully solid state)
Compatibility
Windows, macOS and Linux; M.2 PCIe 4.0 slot for maximum performance; backward compatible with PCIe 3.0 M.2 slots at reduced speed
Heatsink
Not included

Questions and answers

Is the WD Blue SN5100 good for gaming?
Yes. Games load quickly from NVMe storage, and 4TB holds a large library. Frame rates depend on the GPU, not the drive.
Does it fit a PlayStation 5?
Sony requires a PCIe 4.0 M.2 drive with a heatsink for the PS5 expansion slot. This drive has no heatsink, so you would need to add one that fits.
How is it different from the WD Black SN850X?
The Black is WD's performance line, with higher sustained and random speeds and often a heatsink option. The Blue SN5100 is the mainstream tier, aimed at everyday storage rather than peak throughput.
Does it come with a heatsink?
No. It is a bare M.2 2280 drive, so a desktop board's built-in heatsink or a separate one is needed for heavy sustained writes.
Will it work in my laptop?
It fits any laptop with an M.2 2280 slot that supports PCIe NVMe. Check your model's slot length and keying before buying.
What is in the box?
The drive itself. Mounting screws and heatsinks are not included and usually come with the laptop or motherboard.
Where is the Western Digital Blue SN5100 4TB PCIe Gen 4.0 X4 NVMe M.2 2280 Internal SSD cheapest?
At CPU Republic LLC, for $720.69, as of our latest check.

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