--- product_id: 315533346 title: "Western Digital WD Red WD40EFRX 4 TB SATA 6 Gb/s Hard Disk Drive with NASware" brand: "western digital" price: "2234.30 DT" currency: TND in_stock: true reviews_count: 6 category: "Western Digital" url: https://www.desertcart.tn/products/315533346-western-digital-wd-red-wd40efrx-4-tb-sata-6-gb store_origin: TN region: Tunisia --- # SATA 6 Gb/s blazing interface 4TB massive storage NASware 3.0 for 24/7 reliability Western Digital WD Red WD40EFRX 4 TB SATA 6 Gb/s Hard Disk Drive with NASware **Brand:** western digital **Price:** 2234.30 DT **Availability:** ✅ In Stock ## Summary > 💼 Elevate your NAS game with WD Red — storage that works as hard as you do! ## Quick Answers - **What is this?** Western Digital WD Red WD40EFRX 4 TB SATA 6 Gb/s Hard Disk Drive with NASware by western digital - **How much does it cost?** 2234.30 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/315533346-western-digital-wd-red-wd40efrx-4-tb-sata-6-gb) ## Best For - western digital enthusiasts ## Why This Product - Trusted western digital brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Massive 4TB Capacity:** Store your entire digital life and then some—no compromises. - • **Blazing Fast SATA 6 Gb/s Interface:** Seamless data transfer speeds up to 750 MB/s keep your workflow uninterrupted. - • **Optimized for NAS with NASware 3.0:** Engineered for 24/7 operation and RAID environments, ensuring rock-solid reliability. - • **64MB Cache & IntelliPower Technology:** Smart power management balances performance and energy efficiency for sustainable use. - • **Advanced Features for Pro Management:** Supports ACL, S.M.A.R.T, RAID, iSCSI, and web-based management—perfect for the tech-savvy professional. ## Overview The Western Digital WD Red WD40EFRX is a 4TB 3.5-inch internal hard drive designed specifically for NAS environments. Featuring a SATA 6 Gb/s interface, 64MB cache, and NASware 3.0 technology, it delivers reliable 24/7 performance with optimized power efficiency. Ideal for RAID setups and professional use, it supports advanced features like ACL, S.M.A.R.T, and iSCSI, making it a trusted choice for business and home network storage solutions. ## Description Product Description 4TB WD Red WD40EFRX SATA 6Gb/sec, 64MB Cache, IntelliPower 8ms NCQ OEM 24x7 with NASware 3.0;Network it in RED Set Contains: 1 x WD40EFRX Review: Discontinued model harddisk. - I had a nas with one on my customers with 4 harddisk raid with this harddisk. Now that this particular model harddisk is not available in the market, found it here. Thanks. Review: Works well, though it is not on the NAS manufacturer compatibility list. - I ordered this item in a rush because a drive crashed in a NAS. Before buying a NAS disk, inform yourself sufficiently to see if this item would satisfy your particular needs. This replacement item does the job, though it is not on the compatibility list published by the NAS manufacturer. ## Features - DCM: HHNNNT2CAB - DCX: LW0HT2T0R - 5VDC: 0.60A - 12 VDC: 0.45A ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01IF6879G | | Additional Features | Access Control List (ACL)^Buzzer^DHCP client^DHCP server^DLNA certified^Jumbo frames support^Multilingual support^Operating temperature range:0 - 40 °C^RAID support^Reset button^S.M.A.R.T support^Web-based management^cooling:Active^fan diameter:7 cm^iSCSI support | | Best Sellers Rank | #55,718 in Computers ( See Top 100 in Computers ) #199 in Internal Hard Drives | | Brand | Western Digital | | Built-In Media | AC^Quick installation guide | | Cache Memory Installed Size | 64 | | Color | Red | | Compatible Devices | Desktop | | Connectivity Technology | SATA | | Connectivity technology | SATA | | Customer Package Type | Standard Packaging | | Customer Reviews | 4.3 out of 5 stars 189 Reviews | | Data Transfer Rate | 750 Megabytes Per Second | | Digital Storage Capacity | 4000 GB | | Digital storage capacity | 4000 GB | | Enclosure Material | Aluminium or glass | | Form Factor | 3.5-inch | | Global Trade Identification Number | 08809481922595 | | Hard Disk Description | Mechanical Hard Disk | | Hard Disk Form Factor | 3.5 Inches | | Hard Disk Interface | SATA 6 GB/s | | Hard Disk Rotational Speed | 5400 RPM | | Hard disk form factor | 3.5 Inches | | Hard disk interface | SATA 6 GB/s | | Hard-Drive Size | 4 TB | | Hardware Connectivity | SATA 6.0 Gb/s | | Hardware Platform | PC | | Installation Type | Internal Hard Drive | | Item Weight | 0.01 Ounces | | Manufacturer | Western Digital | | Media Speed | 180 MB/s | | Mfr Part Number | WD40EFRX | | Model Name | WD40EFRX | | Model Number | WD40EFRX | | Number of Items | 1 | | Read Speed | 750 Megabytes Per Second | | Special features | Access Control List (ACL)^Buzzer^DHCP client^DHCP server^DLNA certified^Jumbo frames support^Multilingual support^Operating temperature range:0 - 40 °C^RAID support^Reset button^S.M.A.R.T support^Web-based management^cooling:Active^fan diameter:7 cm^iSCSI support Special features Access Control List (ACL)^Buzzer^DHCP client^DHCP server^DLNA certified^Jumbo frames support^Multilingual support^Operating temperature range:0 - 40 °C^RAID support^Reset button^S.M.A.R.T support^Web-based management^cooling:Active^fan diameter:7 cm^iSCSI support See more | | Specific Uses For Product | Business | | UPC | 718037810058 045923496301 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Western Digital - **Colour:** Red - **Compatible devices:** Desktop - **Connectivity technology:** SATA - **Digital storage capacity:** 4000 GB - **Hard disk description:** Mechanical Hard Disk - **Hard disk form factor:** 3.5 Inches - **Hard disk interface:** SATA 6 GB/s - **Installation type:** Internal Hard Drive ## Images ![Western Digital WD Red WD40EFRX 4 TB SATA 6 Gb/s Hard Disk Drive with NASware - Image 1](https://m.media-amazon.com/images/I/516ATVgjPOS.jpg) ![Western Digital WD Red WD40EFRX 4 TB SATA 6 Gb/s Hard Disk Drive with NASware - Image 2](https://m.media-amazon.com/images/I/81f5g0jhRRL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Discontinued model harddisk. *by M***H on 6 April 2025* I had a nas with one on my customers with 4 harddisk raid with this harddisk. Now that this particular model harddisk is not available in the market, found it here. Thanks. ### ⭐⭐⭐⭐ Works well, though it is not on the NAS manufacturer compatibility list. *by B***D on 22 July 2025* I ordered this item in a rush because a drive crashed in a NAS. Before buying a NAS disk, inform yourself sufficiently to see if this item would satisfy your particular needs. This replacement item does the job, though it is not on the compatibility list published by the NAS manufacturer. ### ⭐⭐⭐⭐⭐ HDD di qualità per NAS *by A***I on 4 April 2023* Fa quel che deve, lo fa bene. Prodotto consegnato nei tempi indicati, ottimo imballaggio. ## Frequently Bought Together - Western Digital WD40EFRX WD Red NAS Hard Drive - Hard drive - 4 TB - internal - 3.5 inch - SATA 6Gb/s - buffer: 64 MB - for WD My Cloud EX2, EX4 - Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD120EFAX --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/315533346-western-digital-wd-red-wd40efrx-4-tb-sata-6-gb](https://www.desertcart.tn/products/315533346-western-digital-wd-red-wd40efrx-4-tb-sata-6-gb) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-03*