Crucial BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB /s - CT4000BX500SSD1, Solid State Drive
The CT4000BX500SSD1 is a 4TB 2.5-inch SATA drive. Its 540/500 MB/s figures are manufacturer specifications. The syndicated review excerpt warns about slow direct writes, while the Nero and PassMark aggregates lack conditions needed to establish uncached drive speed. Consider it conditionally for a compatible SATA storage bay; sustained heavy writing remains a question requiring controlled evidence.
Updated 2026-10-07
We may earn a commission from qualifying purchases.
Prices and sellers
No price information yet
Conditions and limitations
Capacity requires a compatible SATA installation
- Capability
- Nominal 4TB storage in the documented 2.5-inch 7mm SATA format.
- Limitations
- No exact host installation is certified by these specifications.
- No sustained-write guarantee is inferred from the sequential specification.
- Requirements
- Host must support the documented interface and physical format.
Compatibility
Simms datasheet and Evergreen exact-model listing establish SATA physical criteria, not a named laptop, console, enclosure or NAS installation test.
Where sources differ
Benchmark aggregate conditions are unresolved
- Explanation
- Retain attributed reports without using them as verified uncached throughput or a rival ranking.
- Status
- unresolved
Micron / Crucial; mirrored by Simms · Nero · PassMark Software
Reported issues and fixes
The permitted DVHardware excerpt documents a sustained-writing caution. Attempts to capture the original Madshrimps review, BestBuy owner reviews and Crucial support material were blocked by publisher robots policies; firmware defects or fixes are not established.
Care and support
Limited warranty also depends on written-data threshold
- Details
- Limited three-year warranty ends earlier if published maximum TBW is reached according to SMART data; this is not a measured lifespan.
Ownership costs
Warranty and endurance limits are documented. The energy comparison in IITSupport concerns a different capacity, so no measured power consumption or cost calculation is asserted. Prices are outside the authorized scope.
Who it suits
Consider conditionally for a large local library
- Check before buying
- Confirm exact model and host interface and dimensions.
- Seek controlled exact-capacity sustained-write evidence if large continuous writes are important.
- Constraints
- A compatible SATA installation is required.
- Needs
- Large local storage library.
- Reason
- Specifications support the storage format, but do not establish loading-time advantages or exact-host sustained behavior.
- Tradeoffs
- Capacity is documented; sustained writing remains a caution based on attributed review reporting.
- Assessment
- conditional
Reviewer consensus
Single-source notes
The review
Crucial BX500 4TB: evidence-led buyer guide
What the evidence shows
The Crucial BX500 discussed here is the CT4000BX500SSD1, not a smaller-capacity BX500 or a different Crucial family. The manufacturer datasheet hosted by Simms identifies a nominal 4TB capacity, a 2.5-inch 7mm format and a SATA 6Gb/s interface. Its published sequential figures are 540MB/s reading and 500MB/s writing. These establish the advertised specification of the exact capacity, rather than the result of an independent test performed for this guide. That distinction matters when comparing the numbers with review excerpts and benchmark databases: the sources describe different kinds of evidence and cannot automatically be merged into a single performance verdict. The strongest starting point is therefore the model identifier and physical interface, followed by the workload conditions behind each speed report. This guide keeps manufacturer ratings separate from attributed observations and leaves unresolved conditions visible. [9]
How to read the Nero result
Nero's CT4000BX500SSD1 page reports a sequential read/write pair of 9828/505 MB/s. The reading figure differs markedly from the manufacturer specification, while the source does not establish the cache and host conditions needed to interpret that difference as actual uncached drive throughput. The appropriate treatment is an attributed database report with unresolved context, not a verified improvement over the advertised SATA specification. This guide does not infer a hardware revision, special operating mode or faster interface from that number. It also does not use the result to promise a particular copy time. To make a defensible comparison, a future test would need to identify the exact drive capacity, host, workload and caching behavior and explain what the benchmark is measuring. Until that context is available, the Nero entry is useful as a discrepancy to investigate, not as a purchasing headline. [9], [4]
Who should consider it
A conditional use case is a large local library in a system that genuinely accepts the documented SATA drive format. Evergreen's exact-model listing corroborates SATA 6Gb/s and the 2.5-inch format, but it is a retailer specification rather than a named-host installation test. Check the host's interface, bay dimensions, mounting arrangement and any adapter requirements before relying on this physical description. It does not certify a particular laptop, console, enclosure or NAS. A mainly read-oriented library may make the reported writing caution less central to the buying decision, but that is workload reasoning rather than a measured advantage in loading time. If the intended use includes repeated large imports or continuous writes, treat the same caution as a meaningful unresolved constraint. Capacity alone does not settle compatibility, responsiveness or performance under sustained activity, so those checks belong before purchase rather than after installation. [9], [1], [2]
Endurance and warranty are different from measured lifespan
The published endurance rating for the 4TB model is 1000TB written. The datasheet describes a limited three-year warranty that ends earlier if the published maximum TBW is reached according to SMART data. These are a manufacturer's rating and contractual limits, not an independently measured lifespan for every individual drive. They do not justify predicting an exact failure date or declaring unlimited suitability for heavy writes. For planning, distinguish how much data a workload writes from whether its transfer speed is acceptable: an endurance allowance does not answer the sustained-performance question. The warranty wording is also not a support-end announcement or a guarantee of a particular regional service outcome. A buyer should confirm the applicable warranty terms for the actual purchase and model. This guide retains the stated conditions and avoids turning the rating into an unsupported claim about reliability or years of trouble-free use. [9]
Performance limits
The most important caution is the review excerpt reproduced by DVHardware. It attributes direct-write performance between 10MB/s and 20MB/s to the BX500 4TB. DVHardware is presenting another review's findings, not documenting its own controlled measurement. The original hands-on article was located, but its publisher did not permit a native snapshot; the detailed test setup and original results are consequently not treated as verified measurements in this package. The permitted excerpt is still a reason to investigate long continuous writes before choosing the drive for that workload. It is not enough to specify exactly when a slowdown begins, how long recovery takes, or whether a particular firmware and host reproduce it. A buyer planning frequent large writes should seek a controlled exact-capacity test with clear cache, drive-fill and host conditions instead of assuming the headline specification applies throughout the transfer. [2]
Regional and energy footnotes need their qualifiers
IITSupport carries qualifiers that prevent two common overreadings of the product description. Its energy comparison concerns a 480GB BX500 and a WD10EZEX 1TB hard drive, rather than an independent measurement of this 4TB model. It therefore cannot supply an exact power-consumption result or calculated energy saving for the drive covered here. The same page explains the /JP suffix in relation to official Japanese distribution after April 2017. That regional note does not change the US product identity in this package or establish identical local warranty handling for every seller. Keep capacity-specific evidence and distribution-specific wording attached to the versions they actually describe. The practical decision remains conditional: confirm the exact model and physical fit, weigh the sustained-write caution against the intended workload, and obtain clearer test evidence where performance is decisive. No current-value ranking, power saving or regional service promise is added to fill the remaining gaps. [9], [6]
Why an aggregate is not a controlled comparison
The PassMark exact-model page reports an aggregate sequential-write value of 1,393 MBytes/Sec. That is database evidence, not a controlled sustained-write measurement tied to a documented single host and cache state. An aggregate can describe what submissions report without establishing the behavior a buyer will see in a specific transfer. In particular, it cannot resolve the direct-write caution in the syndicated review simply because its reported value is larger. The previous numerical comparison against a rival drive has been removed: unlike-for-like database values do not establish which drive is better for the intended workload. A useful future comparison would hold the method and conditions constant and separate short benchmark behavior from longer transfers. With the present evidence, neither a performance ranking nor an exact advantage over another product is justified. The remaining conclusion is narrower: the database exists, but its number needs methodological context before becoming a recommendation. [2], [5]
Buyer questions
Before you buy
What is the strongest reason to consider this drive?
It provides a nominal 4TB in a 2.5-inch SATA format. That can suit a large local library in a compatible bay, but it does not establish loading times or sustained write performance. [9]
Compatibility
What should I check before installation?
Check that your system accepts a 2.5-inch 7mm drive with SATA. The BX500's documented interface is SATA 6Gb/s. These specifications do not certify a particular laptop, console, enclosure or NAS. [9]
Limitations
What is the main performance caution?
DVHardware reproduces a review excerpt reporting direct writes between 10MB/s and 20MB/s. It is a syndicated report, not DVHardware's own controlled test, and the original review could not be captured by the native source tool. [2]
Care and maintenance
What do the endurance and warranty figures mean?
The 4TB model's published endurance is 1000TB written. The limited warranty ends at three years or the published TBW threshold, whichever comes first according to SMART data. This is a rating and warranty limit, not a promise that an individual drive will last a particular number of years. [9]
Facts and specifications
Manufacturer datasheet
| Specification | Value | Source |
|---|---|---|
| Write Endurance | 1000 TB | [9] |
| Form Factor | 2.5-inch 7mm | [9] |
| Interface | SATA 6Gb/s | [9] |
| Model | CT4000BX500SSD1 | [9] |
| Sequential Read | 540 MB/s | [9] |
| Sequential Write | 500 MB/s | [9] |
| Storage Capacity | 4 TB | [9] |
| Warranty | Limited three-year warranty, ending earlier if the published maximum TBW is reached according to SMART data. | [9] |
KnowSpec analysis
Capacity with a sustained-write caution
The CT4000BX500SSD1 is a 4TB 2.5-inch SATA drive. Its 540/500 MB/s figures are manufacturer specifications. The syndicated review excerpt warns about slow direct writes, while the Nero and PassMark aggregates lack conditions needed to establish uncached drive speed. Consider it conditionally for a compatible SATA storage bay; sustained heavy writing remains a question requiring controlled evidence.
Method: Specification and source-context synthesisVisible information gaps
Missing information is shown rather than guessed.
- Topic:Random 4k Responsivenessnot found
- Topic:Ps5 And Laptop Fitnot found
- Topic:Sustained Write After Cachenot found
- Topic:Thermal Throttlingnot found
- Topic:Firmware And Toolingnot found
- Topic:Sustained Performancerights restricted
- Source.Manufacturernot public
- Topic:Power Draw And Efficiencynot found
- Topic:Price Per Terabytenot found
- Topic:Heatsink And Coolingnot found
- Topic:Buyer Fitnot found
- Topic:Real World Load Timesnot found
- Topic:Endurance In Practicenot found
- Topic:Slc Cache Behaviornot found
- Topic:Efficiencynot found
Products in this content
-
Samsung 970 EVO Plus NVMe M.2 SSD 500GB
The Samsung 970 EVO Plus 500GB is a PCIe Gen 3.0 x4 NVMe drive for a compatible M.2 system. Its rated sequential speeds describe peak conditions rather than guaranteed sustained transfers. Independent testing confirms seque
-
WD_BLACK SN850X 1TB NVMe SSD, Without Heatsink (WDS100T2X0E)
The bare SN850X suits a compatible PC whose motherboard already provides M.2 cooling. Its tested burst performance is strong, but sustained transfers expose a much lower write rate. Choose thi
-
Samsung 990 PRO 2TB PCIe 4.0 NVMe M.2 Internal SSD (MZ-V9P2T0B/AM)
The Samsung 990 PRO 2TB is a strong fit for buyers building a high-end gaming or content-creation PC, and it also has documented PlayStation 5 support. Independent testing show
-
WD Blue SN580 2TB NVMe Internal SSD (WDS200T3B0E)
The WD Blue SN580 suits creators, professionals and laptop upgraders who want an efficient, single-sided PCIe 4.0 drive with strong burst and everyday performance. Its measured sequential read result reached 4.185 GB/s, but heavy sustained
-
Crucial T705 2TB PCIe Gen5 NVMe M.2 SSD with Heatsink (CT2000T705SSD5)
The Crucial T705 with heatsink is aimed at performance-focused desktop users who value very high sequential read speed, strong sustained write behavior, DirectStorage positioning, and passive cooling. It is less convincing for value-conscio
Sources and method
- Crucial BX500 CT4000BX500SSD1Evergreen Computer · retrieved 2026-10-07Retailer listing
- Crucial BX500 4TB 2.5 inch SSD reviewDVHardware · retrieved 2026-10-07Editorial review
- Crucial BX500 4TB 2.5 inch SSD reviewDVHARDWARE · retrieved 2026-09-28Editorial review
- CT4000BX500SSD1 BenchmarksNero · retrieved 2026-09-28Lab review
- CT4000BX500SSD1 Benchmark performancePassMark Software · retrieved 2026-09-28Lab review
- Crucial CT4000BX500SSD1 BX500 4TBIIT Support · retrieved 2026-10-07Retailer listing
- CT4000BX500SSD1 Benchmark performancePassMark Software · retrieved 2026-10-07Lab review
- CT4000BX500SSD1 BenchmarksNero · retrieved 2026-10-07Lab review
- Crucial BX500 SSD product flyerMicron / Crucial; mirrored by Simms · retrieved 2026-10-07DatasheetPDF