Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD
Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD - photo 2 Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD - photo 2
Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD - photo 3 Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD - photo 3
Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD - photo 4 Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD - photo 4
Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD
Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD - photo 2
Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD - photo 3
Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD - photo 4

Western Digital

Western Digital WDS400T5B0E | 4TB | PCIe 4.0 NVMe | M.2 2280 | Blue SN5100 SSD

$499.95

Brand New, Factory Sealed | In Stock | Bulk Orders Available

The WDS400T5B0E is a 4TB WD Blue SN5100 NVMe solid state drive featuring a PCIe Gen 4.0 x4 interface, sequential reads up to 6,900MB/s and writes up to 6,700MB/s, in an M.2 2280 single-sided form factor. Built for creators and professionals on modern PCIe 4.0 desktops and laptops, it is ideal for primary system drives, media library storage, and accelerating AI-enabled content workflows. Compatible with any M.2 2280 PCIe 4.0 slot on desktops, laptops, and NAS platforms. The SanDisk 8th-generation BiCS QLC 3D CBA NAND with nCache 4.0 SLC caching delivers a 1,200TBW endurance rating, 1.75 million hour MTTF, and a 5-year limited warranty.

All products are sold as new in original retail or OEM packaging unless otherwise specified. Same-business-day shipping on orders placed before 2 PM PT. Bulk inquiries welcome.
Specifications
  • Manufacturer: Western Digital
  • Model: WD Blue SN5100 (WDS400T5B0E-00CPE0)
  • Capacity: 4TB
  • Interface: PCIe Gen 4.0 x4, NVMe
  • Form Factor: M.2 2280 (single-sided)
  • NAND Type: SanDisk QLC 3D CBA NAND (BiCS8, 218-layer)
  • Sequential Read: up to 6,900 MB/s
  • Sequential Write: up to 6,700 MB/s
  • Random Read: up to 900K IOPS
  • Random Write: up to 1.1M IOPS
  • Endurance (TBW): 1,200TB
  • MTTF: 1.75 million hours
  • Average Power (Read/Write): 4.3W
  • Warranty: 5-Year Limited
Product Features
  • SanDisk 8th-gen BiCS8 QLC 3D CBA NAND
  • nCache 4.0 SLC write caching
  • DRAM-less design with Host Memory Buffer (HMB)
  • Single-sided M.2 2280 for laptop compatibility
  • TCG Pyrite 2.01 and ATA Security passthrough
  • Acronis True Image and SanDisk Dashboard software support
Compatibility
  • Desktop PCs with M.2 2280 PCIe 4.0 slots
  • Laptops and notebooks with M.2 2280 NVMe support
  • Small form factor and creator workstations
  • NAS units accepting M.2 2280 NVMe cache/storage drives
  • Backward compatible with PCIe 3.0 hosts
Shipping & Returns
  • Free Shipping: We currently offer free Economy Shipping within the continental U.S. with no minimum order required. Expedited shipping is available at standard carrier rates.
  • Same-Day Shipping: Order placed before 2PM PST will ship the same day. Orders received after this time will ship the following business day.
  • Hassle-Free Returns: If you're not completely satisfied with your purchase, simply return it within 10 days for a hassle-free refund or exchange.

4TB PCIe 4.0 NVMe 6900MB/s 1200TBW Factory Sealed

WD Blue SN5100 4TB — BiCS8 QLC NVMe for creators

The WDS400T5B0E is Western Digital's flagship-capacity WD Blue SN5100, pairing SanDisk's 8th-generation BiCS8 QLC 3D CBA NAND with a four-channel PCIe 4.0 controller. It delivers up to 6,900MB/s reads and a 1,200TBW endurance rating, making it a cost-effective high-capacity drive for creator PCs, laptops, and NAS media libraries.

4TB Creator Capacity

Four terabytes on a single M.2 module stores massive media libraries, game installs, and project folders without a second drive.

PCIe 4.0 Speed

PCIe Gen 4.0 x4 delivers up to 6,900MB/s sequential read and 6,700MB/s write with up to 900K/1.1M random read/write IOPS.

1200TBW Endurance

Rated for 1,200TB written and a 1.75 million hour MTTF, backed by a 5-year limited warranty for long operational life.

Laptop-Ready Design

The single-sided M.2 2280 form factor and DRAM-less HMB design keep power at 4.3W, fitting thin laptops and SFF builds.

Sealed Retail Stock

Brand new, factory sealed in original retail packaging with same-business-day shipping before 2 PM PT.

Frequently Asked Questions

Frequently asked questions for SATA, including information on usage, configuration, and compatibility.

1. Are these items brand new?

Unless otherwise clearly stated in the product listing, all items sold by Anand International Inc. are brand new and factory sealed. Where applicable, listings will clearly indicate if an item is used, refurbished, or factory recertified, and will describe the condition in detail.
2. Is this drive compatible with my NAS enclosure?

This drive is compatible with most major NAS brands including Synology, QNAP, Western Digital, and Seagate NAS enclosures. We recommend verifying against your enclosure manufacturer's compatibility list for your specific model.
3. Do you offer bulk or wholesale pricing?

Yes. Contact us directly for volume pricing on orders of 5 or more units. We work with IT departments, resellers, and system integrators.
4. What warranty is included?

All items sold by Anand International Inc. are brand new and factory sealed unless otherwise stated. Most carry the manufacturer's original warranty. In cases where we source factory OEM product without a manufacturer warranty, we provide a direct 90 day warranty through Anand International Inc. covering defects in materials and workmanship.
5. How is this item shipped?

All items are shipped in anti-static packaging with appropriate cushioning to prevent damage in transit. Most orders ship within 1–2 business days.