Western Digital

WD 64TB My Cloud PR4100 Pro Series Media Server with Transcoding, NAS - Network Attached Storage

Name: WD 64TB My Cloud PR4100 Pro Series Media Server with Transcoding, NAS - Network Attached Storage
Brand: Western Digital
SKU: B01GLRX688

Status: WD 64TB My Cloud PR4100 Pro Series Media Server…: Unavailable on Amazon as of 2026-10-18 16:17 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The WD 64TB My Cloud PR4100 Pro Series Media Server with Transcoding: 64TB raw capacity across 4 bays for large media libraries.

Unavailable on Amazon as of 2026-10-18 16:17 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-18

Mike Perry — Hardware researcher since 2014. For external drives and portable storage, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ 64TB raw capacity across 4 bays for large media libraries
✓ Intel Pentium N3710 quad-core 1.6GHz handles Plex transcoding
✓ Built-in HD video transcoding streams to Plex clients
✓ RAID 0, 1, 5, 10, JBOD and spanning all supported
✓ AES 256-bit volume encryption plus password protection

Cons

✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

With massive amounts of space, the My Cloud Pro Series offers network storage to save and share project files with access from anywhere with an Internet connection and compatible mobile app. Compatible with both Mac and PC computers, you're able to help protect your content regardless of OS. And with photos, videos and files organized in one place, you have what you need to streamline your project workflow. (Apps and Cloud services may be changed, terminated or interrupted at any time and may vary by country.)

SpecPicks Verdict

SpecPicks scored WD 64TB My Cloud PR4100 Pro Series Media Server with Transcoding using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Western Digital's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

Centralized storage to organize media and access or share from anywhere with an Internet connection and compatible mobile app (Apps and Cloud services may be changed, terminated or interrupted at any time and may vary by country.)
Intel Pentium N3710 quad-core 1.6GHz processor with 4GB DDR3L memory
Built-in video transcoding for HD streaming through Plex
Password protection and AES 256 bit volume encryption
Support for RAID 0, 1, 5, 10, JBOD and spanning configurations

Full Specifications

Size	64TB
Brand	Western Digital
Color	Black
Material	Aluminum
Unit Count	1 Count
Model Number	WDBNFA0640KBK-NESN
Mounting Type	Rack Mount
Mfr Part Number	WDBNFA0640KBK-NESN
Compatible Devices	Server, Desktop, Laptop
Enclosure Material	Aluminum
Warranty Description	3 Year Limited Warranty

Ready to buy?

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