WD Red Pro WD8005FFBX vs Seagate IronWolf ST8000VN004
Compare two exact 8 TB CMR drives with different workload and warranty scope.
The decision in brief
How the options differ
Both selected drives use CMR and specify 7200 rpm, but the rated workload and warranty differ. This is the standard IronWolf ST8000VN004, not an IronWolf Pro package. The comparison does not establish a reliability or compatibility winner.
By CompareFoundry · Published · Editorial review · Manufacturer documentation, not hands-on testing.
The buying guide
Package and specification details
Read the annual workload in context
WD lists 550 TB/year for WD8005FFBX; the reviewed Seagate ST8000VN004 column lists 180 TB/year. These manufacturer ratings describe intended usage conditions. They are not measured lifespans, a lifetime TBW budget or a substitute for backup.
The published limited terms are 5 years for this Red Pro and 3 years for this IronWolf. The US IronWolf destination identifies an OEM single-drive package. Check the actual serial number and seller coverage before relying on a manufacturer term; do not transfer it to a used or recertified offer.
Both exact models specify 256 MB cache. WD publishes up to 235 MB/s; the Seagate table specifies a 210 MB/s maximum sustained outer-diameter rate. Different test descriptions prevent treating this as a controlled head-to-head result. The Seagate hardware evidence is a dated EMEA datasheet, with US purchase identity checked separately.
These manufacturer specifications do not establish measured performance, noise, long-term reliability or running cost. We have not independently tested these products. Check current prices, stock and operating-space instructions with the seller and manufacturer.
Select the exact part number and capacity. A different suffix, condition or seller can change the hardware and warranty scope.
No enclosure, drive-pair compatibility result, current price or available-stock claim is included. Confirm any cables or mounting accessories with the seller.
Select the exact part number and capacity. A different suffix, condition or seller can change the hardware and warranty scope.
No enclosure, drive-pair compatibility result, current price or available-stock claim is included. Confirm any cables or mounting accessories with the seller.
The link may open several packages. Check current price and availability with the seller. Opens in a new tab.
Nominal capacity
Manufacturer capacity of the exact drive model.
Formatting, storage layout and system overhead reduce usable capacity; a mirror does not add both drive capacities.
Red Pro WD8005FFBX (8 TB) (US single drive)8 TBSource · 2026-10-13Western Digital: WD8005FFBX exact-model specificationsChecked 2026-10-13. We reviewed the official page text on the check date. Checkout options were not verified.
IronWolf ST8000VN004 (8 TB) (US single drive)8 TBSource · 2026-10-13Seagate: ST8000VN004 exact-model specificationsChecked 2026-10-13. Read the original source and its check date before relying on this value.
Physical format and interface
Documented drive size and connection family.
Check the NAS bay and interface. SATA hardware alone does not establish an approved drive and firmware pairing.
Red Pro WD8005FFBX (8 TB) (US single drive)3.5-inch SATASource · 2026-10-13Western Digital: WD8005FFBX exact-model specificationsChecked 2026-10-13. We reviewed the official page text on the check date. Checkout options were not verified.
IronWolf ST8000VN004 (8 TB) (US single drive)3.5-inch SATASource · 2026-10-13Seagate: ST8000VN004 exact-model specificationsChecked 2026-10-13. Read the original source and its check date before relying on this value.
Recording method
The recording method explicitly stated for this part number.
CMR is a recording technology, not a measured reliability score or a NAS compatibility certificate.
Red Pro WD8005FFBX (8 TB) (US single drive)CMRSource · 2026-10-13Western Digital: WD8005FFBX exact-model specificationsChecked 2026-10-13. We reviewed the official page text on the check date. Checkout options were not verified.
IronWolf ST8000VN004 (8 TB) (US single drive)CMRSource · 2026-10-13Seagate: ST8000VN004 exact-model specificationsChecked 2026-10-13. Read the original source and its check date before relying on this value.
Spindle speed
Manufacturer-reported rotational speed for the exact capacity and model.
Do not transfer a speed from another capacity in the same family or use RPM alone to predict noise or application performance.
Red Pro WD8005FFBX (8 TB) (US single drive)7200 rpmSource · 2026-10-13Western Digital: WD8005FFBX exact-model specificationsChecked 2026-10-13. We reviewed the official page text on the check date. Checkout options were not verified.
IronWolf ST8000VN004 (8 TB) (US single drive)7200 rpmSource · 2026-10-13Seagate: ST8000VN004 exact-model specificationsChecked 2026-10-13. Read the original source and its check date before relying on this value.
Drive cache
Cache capacity listed for the exact model.
Cache size does not measure sustained file-transfer speed; similarly named drives may use different cache capacities.
Red Pro WD8005FFBX (8 TB) (US single drive)256 MBSource · 2026-10-13Western Digital: WD8005FFBX exact-model specificationsChecked 2026-10-13. We reviewed the official page text on the check date. Checkout options were not verified.
IronWolf ST8000VN004 (8 TB) (US single drive)256 MBSource · 2026-10-13Seagate: ST8000VN004 exact-model specificationsChecked 2026-10-13. Read the original source and its check date before relying on this value.
Rated annual workload
The manufacturer annual workload rating, not a lifetime write allowance.
Keep the source definition and operating conditions. A higher rating does not guarantee a longer life or replace a backup.
Red Pro WD8005FFBX (8 TB) (US single drive)550 TB/yearSource · 2026-10-13Western Digital: WD8005FFBX exact-model specificationsChecked 2026-10-13. We reviewed the official page text on the check date. Checkout options were not verified.
IronWolf ST8000VN004 (8 TB) (US single drive)180 TB/yearSource · 2026-10-13Seagate: ST8000VN004 exact-model specificationsChecked 2026-10-13. Read the original source and its check date before relying on this value.
Limited warranty term
Published manufacturer limited-warranty duration for the reviewed new-drive scope.
Check seller, condition, region and serial-number eligibility; used, refurbished and OEM offers can have different coverage.
Red Pro WD8005FFBX (8 TB) (US single drive)5 yearsLimited manufacturer warranty; verify the eligibility of the delivered new-drive serial number and seller.Source · 2026-10-13Western Digital: WD8005FFBX exact-model specificationsChecked 2026-10-13. We reviewed the official page text on the check date. Checkout options were not verified.
IronWolf ST8000VN004 (8 TB) (US single drive)3 yearsLimited manufacturer warranty; verify the eligibility of the delivered new-drive serial number and seller.Source · 2026-10-13Seagate: ST8000VN004 exact-model specificationsChecked 2026-10-13. Read the original source and its check date before relying on this value.
Published maximum transfer rate
A source-specific maximum sequential or sustained transfer figure.
Manufacturer methods differ. This is not a CompareFoundry benchmark, network rate or guaranteed speed throughout the disk.
Red Pro WD8005FFBX (8 TB) (US single drive)235 MB/sManufacturer maximum for this exact part; not a measured NAS or network result.Source · 2026-10-13Western Digital: WD8005FFBX exact-model specificationsChecked 2026-10-13. We reviewed the official page text on the check date. Checkout options were not verified.
IronWolf ST8000VN004 (8 TB) (US single drive)210 MB/sManufacturer maximum for this exact part; not a measured NAS or network result.Source · 2026-10-13Seagate: ST8000VN004 exact-model specificationsChecked 2026-10-13. Read the original source and its check date before relying on this value.
Drive weight
The published weight of the drive, not its shipping package.
Use the NAS installation instructions; a weight figure does not describe operating clearance, vibration or supplied mounting hardware.
Red Pro WD8005FFBX (8 TB) (US single drive)715 gSource · 2026-10-13Western Digital: WD8005FFBX exact-model specificationsChecked 2026-10-13. We reviewed the official page text on the check date. Checkout options were not verified.
IronWolf ST8000VN004 (8 TB) (US single drive)720 gSource · 2026-10-13Seagate: ST8000VN004 exact-model specificationsChecked 2026-10-13. Read the original source and its check date before relying on this value.
Verified NAS and firmware pairing
An exact enclosure, drive and firmware compatibility result, when separately established.
An unknown entry means this catalogue has not established the pairing. It does not mean that the drive is incompatible.
Red Pro WD8005FFBX (8 TB) (US single drive)Not verified
We have not verified this value. It is not a confirmed no or zero. Check the original source or ask the manufacturer if it affects your choice.
No exact NAS model, operating-system version and drive-firmware pairing was established in this category review.
IronWolf ST8000VN004 (8 TB) (US single drive)Not verified
We have not verified this value. It is not a confirmed no or zero. Check the original source or ask the manufacturer if it affects your choice.
No exact NAS model, operating-system version and drive-firmware pairing was established in this category review.
Questions to check before buying
Red Pro WD8005FFBX (8 TB) (US single drive)Read the source notes for the exact package and operating conditions.
IronWolf ST8000VN004 (8 TB) (US single drive)Read the source notes for the exact package and operating conditions.
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