What 24TB changes in a NAS plan
Its capacity can reduce the number of bays needed, but rebuild and restore planning becomes more important. Calculate formatted space, redundancy, snapshots and backup copies before deciding how many drives to buy.[1]
Synology · NAS hard drive buying guide
Synology Enterprise Series 24TB (HAT5320-24T) Buying Guide
Product facts and dated cost
Synology Enterprise Series 24TB · Exact identity: HAT5320-24T
24TB decimal capacity · CMR · SATA 6 Gb/s
Catalog amount: $1,299.99 · historical · Price record: 2026-09-27T05:36:15.336370+00:00. Tax and shipping excluded.
Historical price observation. Recheck the price and availability before buying; this is not a current offer.
Enterprise Series 24TB: specifications and dated store comparison →24TB decimal for higher-workload Synology arrays, with the exact HAT5320-24T revision kept separate.
One Synology Enterprise Series 24TB HAT5320-24T internal SATA hard drive. NAS enclosure and other drives sold separately.
This guide checks the exact HAT5320-24T column in the Enterprise Series data sheet last updated 24 April 2026. US B&H, Amazon and Best Buy rows from August 2026 were not re-priced; Amazon returned a challenge page and Newegg had no PDP beyond a search result. No independent original test of this MPN was adopted. ChooseCompute has not tested this drive. See evidence and test gaps ↓
Is 24TB Enterprise Series storage right for your NAS?
A 24TB-per-bay capacity plan
One drive provides 24TB decimal before formatting; redundancy and growth allowance still reduce practical headroom.[1]
Higher-workload synology arrays
The documented 550TB/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]
HAT5320-24T exact specifications
Full specifications ↗Follow any specification for its full conditions and sources.
Living with it
Capacity, power, cooling and sound for HAT5320-24T
What the 309 MB/s rating does and does not say
The rating is useful for checking the exact HAT5320-24T 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]
Host compatibility is a policy check, not a SATA fit
HAT5320-24T is a 3.5-inch SATA drive intended for compatible Synology systems, with one-click firmware updates inside DSM on supported hosts. 2025-and-later Synology models and some DSM versions restrict or warn on third-party disks; older hosts still need the live compatibility list for this exact MPN. This column is helium-sealed, 1 GB buffer, 309 MB/s typical sustained, 2.5 million hour MTBF and 730 g. Do not treat family marketing as a substitute for the current host list.[1][6][5]
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 HAT5320-24T listings and ownership costs
No usable current main offer on 2026-09-10
The current attempts were blocked, redirected, mismatched, lacked a selectable new main offer or exposed only unresolved store templates. No current seller, price or stock was inferred.[1]
Historical listings remain separate
The 3 retained historical listings keep their original August or early-September 2026 dates and are not overwritten by the 2026-09-10 observations.[2][3]
Compare the delivered unit and seller
Check HAT5320-24T, new condition, seller, regional warranty channel, shipping and return terms. A marketplace product page does not by itself identify the current seller.[2][3]
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 Synology Enterprise Series 24TB HAT5320-24T 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
3 stores · 0 recent price observations
B&H
Seller not recorded
$1,299.99
Historical price
Currency not confirmed
Stock not confirmed · Condition not recorded
Observed Sep 27, 2026, 5:36:15 AM UTC[7]
View exact product at B&HAmazon
Sold by Marketplace seller not reverified
Check price
Stock not confirmed · New
One 24TB 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[3]
View exact product at AmazonBest Buy
Sold by Marketplace seller not reverified
Check price
Stock not confirmed · New
One 24TB 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[4]
View exact product at Best BuyPrices 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.
HAT5320-24T questions before buying
How much usable space will 24TB 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 HAT5320-24T?
Confirm the full MPN, seller, new condition, NAS compatibility, firmware support, mounting fit and delivered price. Recheck every historical merchant listing.[1][2]
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] Synology Enterprise Series HDD data sheet — April 2026 ↗
Checked Sep 11, 2026 · Technical Specifications pages 4–5, exact HAT5320-24T column and shared family notes.
- [2] B&H: HAT5320-24T historical US listing ↗
Checked Aug 30, 2026 · Catalog record dated 2026-08-30: exact MPN, new condition, seller status retailer, availability in-stock. Historical catalog reference price $1299.99. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.
- [3] Amazon: HAT5320-24T 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.
- [4] Best Buy: HAT5320-24T 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.
- [5] Synology drive compatibility policies FAQ ↗
Checked Sep 11, 2026 · FAQ on 2025-and-later storage compatibility; host-specific list still required
- [6] Synology Enterprise Series 3.5-inch SATA HDD ↗
Checked Sep 11, 2026 · Series marketing, CMR/firmware claims, applied-model names in HTML
- [7] B&H product price observation ↗
Checked Sep 27, 2026 · Captured observation; sha256:dd528c4e7b414ceb40659b7efb3984e04e0b377e2b75396a1790bfa4655443b8
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 specifications/footnotes, distinction between direct tests and related/vendor evidence, reader projection and dated offers; explicit coverage gaps retained; no new index approval.
- 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)