Top 7 WD40EFRX 4TB UK – SATA Hard Drives

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1. QNAP

Qnap TS-473-32G 4-Bay 16TB Bundle with 4x 4TB Red WD40EFRX

QNAP - Type: tower. Connections: 4x Ethernet, 6x USB. Slots bay: 4. Memory: 32gb RAM. Processor: 2. 1ghz quad core amd r-Series RX-421BD 64-bit.
BrandQNAP
ManufacturerQnap Bundle
Height18.8 cm (7.4 Inches)
Length27.9 cm (10.98 Inches)
Width19.9 cm (7.83 Inches)

2. QNAP

Qnap TS-473-16G 4-Bay 16TB Bundle with 4x 4TB Red WD40EFRX

QNAP - Processor: 2. 1ghz quad core amd r-Series RX-421BD 64-bit. Connections: 4x ethernet, 6x USB, 2x HDMI. Memory: 16gb RAM. Type: tower. Slots bay: 4.
BrandQNAP
ManufacturerQnap Bundle
Height18.8 cm (7.4 Inches)
Length27.9 cm (10.98 Inches)
Width19.9 cm (7.83 Inches)

3. QNAP

Qnap TS-473-4G 4-Bay 16TB Bundle with 4x 4TB Red WD40EFRX

QNAP - Type: tower. Processor: 2. 1ghz quad core amd r Series RX-421ND 64-bit. Slots bay: 4. Memory: 4 GB of memory. Connections: 4x Ethernet, 3x USB.
BrandQNAP
ManufacturerQnap Bundle
Height18.82 cm (7.41 Inches)
Length27.96 cm (11.01 Inches)
Width19.93 cm (7.85 Inches)

4. Western Digital

Western Digital WD40EFRX SATA Hard Drive

Western Digital - Wd red pro wd4001ffsx - festplatte - 4 tb - intern - 8. 9 cm 3. 5" - sata 6gb/s - 7200 rpm - puffer: 64 MB - für My Cloud EX4.
BrandWestern Digital
ManufacturerWestern Digital
Height3.99 cm (1.57 Inches)
Length11.99 cm (4.72 Inches)
Weight0.75 kg (1.65 Pounds)
Width16.99 cm (6.69 Inches)
Part Number0806291844275
ModelWD40EFRX
Warranty24 month

5. WD-40

SMR, SATA 6 Gb/s, 256 MB Cache, WD40EFAX, WD Red 4TB NAS 3.5 Inch Internal Hard Drive, 5400 RPM Class

WD-40 - 3-year manufacturer's limited warranty. Nasware firmware for compatibility. Small and home office NAS systems in a 24/7 environment. Supports up to 180 tb/yr workload rate* |workload Rate is annualized TB transferred times 8760/recorded power-on hours, workload rate will vary depending on your hardware and software components and configurations. Specifically designed for use in NAS systems with up to 8 bays.
BrandWD-40
ManufacturerWestern Digital
Height10.16 cm (4 Inches)
Length2.62 cm (1.03 Inches)
Weight0.56 kg (1.23 Pounds)
Width14.71 cm (5.79 Inches)
Part NumberWD40EFAX
ModelWD40EFAX
Warrantymaker

6. Western Digital

WD Red 4TB NAS 3.5" Internal Hard Drive, 5400 RPM Class, SATA 6 Gb/s, SMR, 256MB Cache

Western Digital - Nasware tm technology which optimises the hard drive for 24 x 7 NAS environments and improves reliability within NAS systems. Built for up to 8-bay nas systems and up to 10 TB capacities, for larger systems please use red pro drives.

Before the users are starting to use the disk: do run a full surface test on it and if this test is passed then it will means the disk is OK. Target audience: prosumer, backing up PCs, SOHO and workgroups or users who want to enjoy streaming media, file sharing and managing digital content quickly and easily. Most extensive nas partner compatibility-testing list available on the market as of March 2016. For larger applications, please use WD red pro hard drives. Designed and tested for personal/home/small office 1-8 bay NAS environments.
BrandWestern Digital
ManufacturerWestern Digital
Height2.6 cm (1.02 Inches)
Length10.2 cm (4.02 Inches)
Weight0.3 kg (0.66 Pounds)
Width14.7 cm (5.79 Inches)
Part NumberWDBMMA0040HNC-ERSN
ModelWDBMMA0040HNC-ERSN

7. Western Digital

WD4003FFBX, WD Red Pro 4 TB 3.5 Inch NAS Internal Hard Drive, 7200 RPM

Western Digital - Compatible with up to 24 bay medium to large-scale NAS environments. Larger nas bay Shock Protection. Please purchase mounting hardware and cables separately if necessary. Designed for nas: desktop drives aren't purpose-built for NAS. Enhanced reliability with 3D Active Balance Plus and error recovery prevention with NASware 3. 2. But wd red pro drives with NASware 3. 0 are. Package includes a hard drive only - no screws, cables, manuals included.
BrandWestern Digital
ManufacturerWestern Digital
Height2.62 cm (1.03 Inches)
Length14.71 cm (5.79 Inches)
Weight0.72 kg (1.58 Pounds)
Width10.16 cm (4 Inches)
Part NumberWD4003FFBX
ModelWD4003FFBX
Warranty2 year manufacturer