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The WD40EFRX WD Red NAS hard drive is a reliable storage drive powered by Western Digital’s exclusive NASware™ technology. It features a 4TB storage capacity and a SATA 6 Gbps interface. These features deliver ample space for operating intensive applications and offer fast data transfer speeds. With a 64MB cache, it enhances read/write performance, which allows frequent data access. This WD Red NAS hard drive with NASware 3.0 Technology improves efficiency and ensures data accuracy in NAS/RAID systems.
4TB storage capacity
SATA 6 Gbps interface
64MB cache
NASware 3.0 Technology
IntelliPower RPM
Power-efficient design
Tuned for NAS with NASware™
Compatibility: WD40EFRX WD Red NAS hard drive is compatible with:
NAS Systems (1 to 8 bays): Synology, QNAP, ASUSTOR, TerraMaster, Netgear ReadyNAS, WD My Cloud EX and PR series.
Windows (7, 8, 10, 11),macOS, Linux distributions
Western Digital Part #/MPN: WD40EFRX
DiscTech Item #: WDC-WD40EFRX-BN-OE
Hardware Specifications
Capacity: 4TB
Form Factor: 3.5-inch
Advanced Format (AF): Yes
Sector Size: 512 / 512e
Sustained Throughput: 171
Electrical Interface: SATA 600 - 6 Gbps
On-Board Cache: 64MB
RAM: 64MB
Drive Dimensions (L x W x H): 147mm x 101.6mm x 26.1mm
Weight: 0.68 kg (1.5 lbs)
RoHS Compliant: Yes
Performance Specifications
Rotational Speed: IntelliPower
Load/Unload Cycles: 600,000 minimum
Buffer To Host (Serial ATA): 6 Gb/s (Max)
Workload Rate Limit (WRL): Up to 180 TB/year
Read/Write: 4.5
Idle: 3.3
Standby/Sleep: 0.4
Physical Specifications:
Temperature (°C)
Operating: 0 to 70
Non-operating: -40 to 70
Shock (Gs)
Operating (2 ms, read/write): 30
Operating (2 ms, read): 65
Non-operating (2 ms): 250
Acoustics (dBA)
Idle: 25
Seek (average): 28
Height (in./mm): 1.028/26.1
Length (in./mm): 5.787/147
Width (in./mm, ± .01 in.): 4/101.6
Weight (lb./kg, ± 10%): 1.50/0.68
If you are looking for an efficient storage drive for your business, then the WD40EFRX WD Red NAS hard drive is the best choice. At Server Tech Central, we deal in high-performance storage solutions that meet your regular computing needs. We prefer customer-centric values in terms of services, quality, and cost.
Our Services
We specialize in selling and purchasing new and refurbished servers, network components, computer parts, data storage solutions, and other items related to IT hardware infrastructure.
Why Server Tech Central?
With years of industry experience, our motto is to provide cost-effective, durable, and reliable IT hardware solutions to businesses of all sizes — from small startups to enterprise-grade tech industries. We keep the ongoing needs of the digital world in consideration and provide customized solutions according to the customer’s requirements. Moreover, our extensive industry is equipped with a wide range of products from top-tier brands like Dell, HP, and Cisco. IBM, Lenovo, and more. Our refurbished products go through extensive testing and certification to ensure robust and high-performance.
Product Guarantee
Our products are backed by warranty and authenticity. You may reach us for any sort of help before, during, and after the sale. Our team of professionals and technicians knows what meets your demands within your desired cost. With our 24/7 assistance, we provide unwavering customer support.
How to reach us?
If you have any queries about product condition, functionality, and availability, reach us at (888) 787-4795 or support@servertechcentral.com
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The WD40EFRX WD Red NAS hard drive is a reliable storage drive powered by Western Digital’s exclusive NASware™ technology. It features a 4TB storage capacity and a SATA 6 Gbps interface. These features deliver ample space for operating intensive applications and offer fast data transfer speeds. With a 64MB cache, it enhances read/write performance, which allows frequent data access. This WD Red NAS hard drive with NASware 3.0 Technology improves efficiency and ensures data accuracy in NAS/RAID systems.
4TB storage capacity
SATA 6 Gbps interface
64MB cache
NASware 3.0 Technology
IntelliPower RPM
Power-efficient design
Tuned for NAS with NASware™
Compatibility: WD40EFRX WD Red NAS hard drive is compatible with:
NAS Systems (1 to 8 bays): Synology, QNAP, ASUSTOR, TerraMaster, Netgear ReadyNAS, WD My Cloud EX and PR series.
Windows (7, 8, 10, 11),macOS, Linux distributions
Western Digital Part #/MPN: WD40EFRX
DiscTech Item #: WDC-WD40EFRX-BN-OE
Hardware Specifications
Capacity: 4TB
Form Factor: 3.5-inch
Advanced Format (AF): Yes
Sector Size: 512 / 512e
Sustained Throughput: 171
Electrical Interface: SATA 600 - 6 Gbps
On-Board Cache: 64MB
RAM: 64MB
Drive Dimensions (L x W x H): 147mm x 101.6mm x 26.1mm
Weight: 0.68 kg (1.5 lbs)
RoHS Compliant: Yes
Performance Specifications
Rotational Speed: IntelliPower
Load/Unload Cycles: 600,000 minimum
Buffer To Host (Serial ATA): 6 Gb/s (Max)
Workload Rate Limit (WRL): Up to 180 TB/year
Read/Write: 4.5
Idle: 3.3
Standby/Sleep: 0.4
Physical Specifications:
Temperature (°C)
Operating: 0 to 70
Non-operating: -40 to 70
Shock (Gs)
Operating (2 ms, read/write): 30
Operating (2 ms, read): 65
Non-operating (2 ms): 250
Acoustics (dBA)
Idle: 25
Seek (average): 28
Height (in./mm): 1.028/26.1
Length (in./mm): 5.787/147
Width (in./mm, ± .01 in.): 4/101.6
Weight (lb./kg, ± 10%): 1.50/0.68
If you are looking for an efficient storage drive for your business, then the WD40EFRX WD Red NAS hard drive is the best choice. At Server Tech Central, we deal in high-performance storage solutions that meet your regular computing needs. We prefer customer-centric values in terms of services, quality, and cost.
Our Services
We specialize in selling and purchasing new and refurbished servers, network components, computer parts, data storage solutions, and other items related to IT hardware infrastructure.
Why Server Tech Central?
With years of industry experience, our motto is to provide cost-effective, durable, and reliable IT hardware solutions to businesses of all sizes — from small startups to enterprise-grade tech industries. We keep the ongoing needs of the digital world in consideration and provide customized solutions according to the customer’s requirements. Moreover, our extensive industry is equipped with a wide range of products from top-tier brands like Dell, HP, and Cisco. IBM, Lenovo, and more. Our refurbished products go through extensive testing and certification to ensure robust and high-performance.
Product Guarantee
Our products are backed by warranty and authenticity. You may reach us for any sort of help before, during, and after the sale. Our team of professionals and technicians knows what meets your demands within your desired cost. With our 24/7 assistance, we provide unwavering customer support.
How to reach us?
If you have any queries about product condition, functionality, and availability, reach us at (888) 787-4795 or support@servertechcentral.com
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