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Internal Hard Drives

Best Wd100efax Deals of Nov 2026

Updated November 10, 2026·Our site contains affiliate links for which we may be compensated.

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Top Picks

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Western Digital

Western Digital 10TB WD Red NAS Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD100EFAX (Old Version)

Specifically Designed for use in NAS systems with up to 8 bays

Suppots up to 180 TB/yr workload rate; Workload Rate is defined as the amount of user data transferred to or from the hard drive; 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

NASware firmware for Compatibility

Small and Home office NAS systems in a 24/7 environment

3 year manufacturer's limited warranty

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Western Digital

Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX

Available in capacities ranging from 1-14TB with support for up to 8 bays.Data Transfer Rate:6Gbps.Specific uses: Business

Supports up to 180 TB/yr workload rate | Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.

NASware firmware for compatibility

Small or medium business NAS systems in a 24x7 environment, Compatibility: Unlike desktop drives, these drives are specifically tested for compatibility with NAS systems for optimum performance.

3-year limited warranty

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Also available at

eBay

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Western Digital

Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX

Available in capacities ranging from 2 to 22TB(1) | (1) 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.

For RAID-optimized NAS systems with unlimited number of bays

Rated for 550TB/yr workload rate(2) | (2) Annualized Workload Rate = TB transferred x (8760 / recorded power-on hours). The maximum rated workload is specified for operating at typical temperature of 40C. Workload Rate will vary depending on your hardware and software components and configurations.

Designed to handle the demands of high-intensity 24x7 multi-user NAS environments

Western Digital partners with a wide range of NAS system vendors for extensive testing to ensure compatibility with most NAS enclosures

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Western Digital

WD Red 10TB NAS Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD100EFAX (Renewed)

Specifically designed for use in NAS systems with up to 8 bays

Supports up to 180 TB/yr workload rate* |*Workload Rate is defined as the amount of user data transferred to or from the hard drive. 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

NASware firmware for compatibility

Small and home office NAS systems in a 24/7 environment

3-year manufacturer's limited warranty

Details & specs

Compare

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Western Digital

Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD101EFAX

Available in capacities ranging from 1-14TB with support for up to 8 bays

5400RPM performance class

Supports up to 180 TB/yr workload rate*| * Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours))

NASware firmware for compatibility

Small or medium business NAS systems in a 24x7 environment

3-year limited warranty

This model uses CMR technology and is being renamed “WD Red Plus” to distinguish it from the current “WD Red” product, which uses SMR technology

Premium price: higher than 80% of Internal Hard Drives

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Cheapest on the left, priciest on the right

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Western Digital

Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD101EFBX

Available in capacities ranging from 1-14TB with support for up to 8 bays.Transfer Rate : up to 215MB/s

Supports up to 180 TB/yr workload rate Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.

NASware firmware for compatibility

Small or medium business NAS systems in a 24x7 environment

Details & specs

Compare

Best Seller

Top Rated

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Seagate 8TB BarraCuda Internal Hard Drive | SATA 6 Gb/s (ST8000DM004) | Desktop HDD for everyday PC storage, gaming, & computing. Trusted reliability with 2-Year Warranty + 2-Year Rescue

Store more, compute faster, and do it confidently with the proven reliability of BarraCuda internal hard drives

Build a power house gaming computer or desktop setup with a variety of capacities and form factors

The go to SATA hard drive solution for nearly every PC application from music to video to photo editing to PC gaming. Ax. Sustained transfer rate OD: 190MB/s

Confidently rely on internal hard drive technology backed by 20 years of innovation

Frustration Free Packaging - This is just an anti-static bag. No cables, no box.

Mid-range price for Internal Hard Drives

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Also available at

eBay

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Western Digital

Western Digital 4TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD4003FFBX

Available in large capacities with support for 1-24 bays.date transfer rate:750.0 megabits_per_second.Specific uses: Business, personal

Enhanced reliability with 3D Active Balance Plus technology and error recovery controls with NASware 3.0 technology

Extended drive testing to ensure each drive is tested for extended reliable operation

Vibration & Shock protection

5-year manufacturer's limited warranty

Mid-range price for Internal Hard Drives

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Western Digital

Western Digital 6TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD60EFAX

Available in capacities ranging from 2-6TB with support for up to 8 bays

5400RPM performance class

NASware firmware for compatibility

NAS systems with daily workloads associated with personal and home office environments and idle time available to perform necessary background operations

Supports up to 180 TB/yr Workload Rate* | * Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours))

3-year limited warranty

Premium price: higher than 72% of Internal Hard Drives

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Best Price

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Western Digital

Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD120EFAX

Available in capacities ranging from 1-14TB with support for up to 8 bays

5400RPM performance class

Supports up to 180 TB/yr workload rate*| * Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours))

NASware firmware for compatibility

Small or medium business NAS systems in a 24x7 environment

3-year limited warranty

This model uses CMR technology and is being renamed “WD Red Plus” to distinguish it from the current “WD Red” product, which uses SMR technology

Premium price: higher than 87% of Internal Hard Drives

PriceRank

Cheapest on the left, priciest on the right

Details & specs

Compare

Our #1 Pick Today

ProductPage Image

Western Digital

Western Digital 10TB WD Red NAS Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD100EFAX (Old Version)

Specifically Designed for use in NAS systems with up to 8 bays

Suppots up to 180 TB/yr workload rate; Workload Rate is defined as the amount of user data transferred to or from the hard drive; 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

NASware firmware for Compatibility

Small and Home office NAS systems in a 24/7 environment

3 year manufacturer's limited warranty

Details & specs

Compare

Disclaimer: While we make every effort to ensure accuracy, we cannot guarantee that all product specifications, pricing, discounts, and details are complete or error-free. Because information is subject to change, we recommend verifying all details directly with the retailer prior to making a purchase. As an Amazon Associate, we earn from qualifying purchases.

10 Wd100efax deals are available from: Amazon, starting from $249.99.

The biggest discount we found is 11% on Seagate 8TB BarraCuda Internal Hard Drive | SATA 6 Gb/s (ST8000DM004) | Desktop HDD for everyday PC storage, gaming, & computing. Trusted reliability with 2-Year Warranty + 2-Year Rescue (ST8000DM004/ST800DMZ04) at Amazon.

The lowest price we found is $249.99 while the highest is $754.99. Prices for the best Wd100efax deals average at $512.08.

Compare prices across stores, find real deals, and get an email when the products you want drop in price.

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