What 3TB changes in a NAS plan
Its capacity is practical only if it leaves enough room for growth before the next drive replacement. Calculate formatted space, redundancy, snapshots and backup copies before deciding how many drives to buy.[1]
Western Digital · NAS hard drive buying guide
Western Digital WD Red Plus 3TB (WD30EFPX) Buying Guide
Product facts and dated cost
Western Digital WD Red Plus 3TB · Exact identity: WD30EFPX
3TB decimal capacity · CMR · SATA 6 Gb/s
Catalog amount: $219.99 · historical · Price record: 2026-09-26T15:30:37.332193+00:00. Tax and shipping excluded.
Historical price observation. Recheck the price and availability before buying; this is not a current offer.
WD Red Plus 3TB: specifications and dated store comparison →3TB decimal for home and small-business NAS storage, with the exact WD30EFPX revision kept separate.
One Western Digital WD Red Plus 3TB WD30EFPX internal SATA hard drive. NAS enclosure and other drives sold separately.
WD30EFPX still appears on Western Digital's US product selector, but the September 2025 Red Plus table no longer has a WD30EFPX column. Retained 3TB figures come from the older SanDisk/Turkish product-brief column (5400 RPM, 256 MB, 180 MB/s, 4.7/3.1 W, 23/27 dBA, 0.57 kg) plus the current PDP selector. No exact-MPN professional original test was confirmed. This site has not tested the drive. See evidence and test gaps ↓
Is 3TB WD Red Plus storage right for your NAS?
A 3TB-per-bay capacity plan
One drive provides 3TB decimal before formatting; redundancy and growth allowance still reduce practical headroom.[1]
Home and small-business nas storage
The documented 180TB/year transferred and family features support this intended class, within the exact host compatibility boundary.[1]
Quiet storage beside a desk
Published acoustic labels and review observations, when available, do not predict resonance or seek noise in your enclosure.[1]
A workload that needs proven latency or application speed
The evidence does not establish performance for every array, network, database or virtual-machine workload.[1]
WD30EFPX exact specifications
Full specifications ↗Follow any specification for its full conditions and sources.
Living with it
Capacity, power, cooling and sound for WD30EFPX
What the 180 MB/s rating does and does not say
The rating is useful for checking the exact WD30EFPX column. It does not guarantee a network transfer rate or random-I/O result, and it should not be copied to a neighboring MPN.[1]
How much confidence the available testing adds
No suitable exact-MPN original performance test was found, so the buying advice rests on specifications. ChooseCompute has not tested this drive.[1]
What still needs a real-world test
We have verified the specifications, but have not found an original test that we can reliably apply to this exact model. The advice above follows the documented features; performance, noise and long-term reliability are not independently established here.
Before you buy
Current and historical WD30EFPX listings and ownership costs
1 usable current main offer checked on 2026-09-10
The 2026-09-10 Newegg observation is the selected main seller on that dated check. Parent primary-sold-by parse of the saved HTML agrees with that seller. Other-seller popover rows are not additional selected offers. Every price still needs a fresh check before purchase.[8]
Historical listings remain separate
Three dated listings without a later selected seller on the same PDP remain historical (Best Buy, MemoryC, Western Digital). The earlier unknown-seller Newegg row on this PDP was retired because the same URL later resolved to PC Parts Hub. Dates are not overwritten.[4][5]
Compare the delivered unit and seller
Check WD30EFPX, new condition, seller, regional warranty channel, shipping and return terms. A marketplace product page does not by itself identify the current seller.[8][4]
Budget for the storage layout
A mirrored or parity-protected layout may require multiple drives, while a separate backup needs additional storage. Compare total delivered cost for the complete plan.[1]
Compare stores for this exact model
One Western Digital WD Red Plus 3TB WD30EFPX internal SATA hard drive. NAS enclosure and other drives sold separately. Check the total delivered price at the store.
Current price needs checking
Check stores below
4 stores · 0 recent price observations
Western Digital
Seller not recorded
$89.99
Historical price
Currency not confirmed
Stock not confirmed · Condition not recorded
Observed Sep 26, 2026, 4:06:46 PM UTC[9]
View exact product at Western DigitalNewegg Marketplace
Sold by PC Parts Hub
$219.99
Historical price
Currency not confirmed
Stock not confirmed · Condition not recorded
Observed Sep 26, 2026, 3:30:37 PM UTC[10]
View exact product at Newegg MarketplaceBest Buy
Sold by Marketplace seller not reverified
Check price
Stock not confirmed · New
One 3TB 3.5-inch SATA HDD
Shipping cost and US delivery eligibility require a fresh check. Historical reference only. Recheck seller, stock, price, quantity, warranty channel, shipping and tax before ordering.
Observed Aug 31, 2026[5]
View exact product at Best BuyMemoryC
Sold by MemoryC
Check price
Stock not confirmed · New
One 3TB 3.5-inch SATA HDD
Shipping cost and US delivery eligibility require a fresh check. Historical reference only. Recheck seller, stock, price, quantity, warranty channel, shipping and tax before ordering.
Observed Aug 31, 2026[6]
View exact product at MemoryCPrices are dated observations. Confirm the model, seller, condition, stock and delivered total at the store. Older prices remain visible as history. Links may earn a commission.
WD30EFPX questions before buying
How much usable space will 3TB provide?
Less than the decimal label after formatting, and less again when the chosen redundancy layout reserves capacity. Leave room for growth and snapshots.[1]
What should I verify before ordering WD30EFPX?
Confirm the full MPN, seller, new condition, NAS compatibility, firmware support, mounting fit and delivered price. Recheck every historical merchant listing.[1][8]
Has ChooseCompute tested this drive?
No. This guide synthesizes manufacturer documents, retained merchant records and any clearly identified third-party original tests; each result keeps its setup limits.[1]
Sources
Research updated Sep 11, 2026. Individual source check dates are listed below. Measurements belong to the named reviewers; tested configurations and software versions may differ from the product you buy.
- [1] Western Digital WD Red Plus 3TB product page ↗
Checked Sep 10, 2026 · Exact WD30EFPX selector and specification blocks; capacity, form, CMR, cache, workload, warranty, dimensions, temperature and mass.
- [2] WD Red Plus product brief (SanDisk/Turkish table, includes WD30EFPX) ↗
Checked Sep 11, 2026 · Lower table WD30EFPX / WD20EFPX / WD40EFPX columns; upper table WD60EFPX 5640 rpm / 32 dBA idle
- [3] WD Red Plus HDD data sheet (September 2025) ↗
Checked Sep 11, 2026 · September 2025 table omits WD30EFPX; used to document the omission
- [4] Newegg Marketplace: WD30EFPX historical US listing ↗
Checked Aug 30, 2026 · Catalog record dated 2026-08-30: exact MPN, new condition, seller status marketplace-unverified, availability in-stock. Historical catalog reference price $122.62. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.
- [5] Best Buy: WD30EFPX historical US listing ↗
Checked Aug 31, 2026 · Catalog record dated 2026-08-31: exact MPN, new condition, seller status marketplace-unverified, availability listed. No historical price adopted for this URL. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.
- [6] MemoryC: WD30EFPX historical US listing ↗
Checked Aug 31, 2026 · Catalog record dated 2026-08-31: exact MPN, new condition, seller status retailer, availability listed. No historical price adopted for this URL. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.
- [7] Western Digital: WD30EFPX historical US listing ↗
Checked Aug 31, 2026 · Catalog record dated 2026-08-31: exact MPN, new condition, seller status manufacturer, availability listed. No historical price adopted for this URL. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.
- [8] Newegg Marketplace: WD30EFPX current US new listing ↗
Checked Sep 10, 2026 · Exact MPN in H1; selected main offer shows Add to cart, seller PC Parts Hub, and a visible price of $219.99.
- [9] Western Digital product price observation ↗
Checked Sep 26, 2026 · Captured observation; sha256:8cc6bb65aaf91b068a7a441d64bc47ca50f932016c98312401b55ec9c6fcd87a
- [10] Newegg Marketplace product price observation ↗
Checked Sep 26, 2026 · Captured observation; sha256:cea63332309b52192e5bd86b2288d37c8e3b1bf0309c91316be260f0e286fbe2
Research and review record
- Research: Grok 4.6 · Source research and data update
- Self-check: Grok 4.6 · Researcher self-check
- Independent review: GPT-6 (Codex) · Exact official MPN specifications, power/acoustic/environment columns and footnotes; original test evidence and applicability; primary merchant states and dated retained offers. Partial coverage and original-image/video gaps remain explicit.
- Editorial integration: GPT-6 (Codex) · Editorial integration and validation
Independent review completed for the scope recorded in the audit.
Source evidence and review history (JSON)