One interface caps every drive on the shelf at the same ceiling · review
Crucial BX500 1 TB, three years and a named encryption standard review
A one-terabyte drive that publishes a term, a named write acceleration mechanism and three encryption standards by name, and that never quantifies writing or endurance.
Amazon.com listed it on October 26, 2026, but no current offer passed our price check, so no price is quoted. The Amazon.com page exists, but nobody was selling the unit; a listing in that state is often a third-party import.
Models on this shelf that Amazon.com did sell on that date:
A one-terabyte solid-state drive in the 2.5-inch format on SATA, quoted at up to 540 MB/s, compatible with laptops and desktop machines, with three-dimensional flash and dynamic write acceleration; a system that starts in seconds, with a flexible high-speed single-level cell region used to reach those speeds; storage of up to four terabytes across the range for photographs, music and video; award-winning drives backed by thousands of hours of validation, dozens of qualification checks and a limited three-year warranty; a free imaging application for migrating data and compatibility with the maker’s own maintenance tool; hardware encryption at 256 bits meeting three named industry standards; and a discount of up to eighty per cent on a backup subscription for buyers of certain capacities.
Three standards, named
The fifth bullet names three published encryption standards. That is the most specific claim on this page and one of the most specific in the group. A workplace policy is normally written against exactly those names, so a drive that lists them can be checked against a requirement instead of argued about. It costs the page nothing and it is worth more than another rate would have been.
Accelerating writing, without a writing figure
The first bullet is about how quickly the drive accepts data, and no figure for accepting data appears anywhere on the page. Part of the flash is used one bit per cell to take writes fast and empties afterwards, which is a real mechanism and a good one to name. It describes the opening of a copy. What the copy settles to, and what the peak is in the first place, are both unstated.
Validation hours are not failure hours
Thousands of hours of validation and dozens of qualification checks describe work the maker did before selling the drive. A population statistic describes how often drives fail afterwards. The two are easy to read as one, they are not the same claim, and only the first is on this page.
Four terabytes, and which drive that is
The second bullet names a ceiling for the range. The title sells one terabyte. Range ceilings are legitimate and they are not model specifications, so the capacity line above records the figure in the title and notes where the larger one comes from.
Before ordering
Ask for the written total and a rate for writing. The term, the encryption and the mechanism are all published; the two numbers that would place this drive against the next one are not.
Where it holds up, and where it stops
Strengths
The encryption is named to three published standards rather than described as secure, which makes it checkable against a workplace requirement
A term of three years is published, and it is the one endurance quantity that carries an obligation
The write acceleration mechanism is named and its memory arrangement described, which explains where the opening speed of a copy comes from
Compromises
No writing figure at all, on a page whose first bullet is entirely about accelerating writing
Neither a written total nor a population statistic, so the three-year term stands without either figure normally published beside it
Two of the six bullets are about bundled software and a discount on it
Specifications
Capacity
1 TB — printed twice in the title, in the maker’s unit and reported here in that unit. The second bullet separately names up to 4 TB, which is the ceiling of the range rather than this drive
Form factor
2.5-inch — printed in the title, which also names laptops and desktop machines as the intended homes for the drive
Height
Not published on the listing — no thickness in millimeters appears, on a page that names laptops in its title and its second bullet
Stated sequential read figure
Up to 540 MB/s — printed in the title. No bullet repeats it, and the first describes the effect rather than the figure
Stated sequential write figure
Not published on the listing — the first bullet names dynamic write acceleration and the flash it uses, and gives no rate for the writing it accelerates
Stated random IOPS
Not published on the listing — no figure in IOPS appears in the title or in the six bullets
TBW rating
Not published on the listing — no total in terabytes written appears, on a page whose third bullet publishes the term such a total normally bounds
Stated MTBF
Not published on the listing — no figure in hours appears; the third bullet offers thousands of hours of validation and dozens of qualification checks instead, which count effort rather than failures
DRAM cache presence
Not published on the listing as memory on the drive — the first bullet names a flexible high-speed single-level cell region used to accelerate writing, which is part of the flash and not a separate memory chip
Controller family
Not published on the listing — no controller is named; the memory is described as three-dimensional flash in the title and the controller behind it is not mentioned
Warranty length
Three years, limited — stated in the third bullet, alongside the validation and qualification claims that precede it
Amazon reference
B0CCN9NHTC
EAN
0649528939456
On Amazon.com
Amazon.com listed it on October 26, 2026, but no current offer passed our price check, so no price is quoted.
The questions that come up before an order
What does hardware encryption to a named standard give that a password does not?
It puts the encryption in the drive rather than in the operating system, so the data on the flash is unreadable without the key even if the drive is removed and fitted elsewhere. Naming the published standards matters because a workplace policy is usually written against those names rather than against a promise of security. This page names three of them, which is unusually specific for this shelf.
Is dynamic write acceleration the same as a cache?
It is a way of using one. Part of the flash is written one bit per cell, which is quick, and the drive moves that data into the slower three-bit arrangement afterwards. How much of the flash is used that way can change with how full the drive is, which is what the word dynamic refers to. It is not a separate memory chip, and the page does not claim one.
Our score
7.8/ 10
A page that names its mechanisms and its standards carefully and quantifies almost nothing. The encryption line is the most specific claim in this group; the writing side and two of the three endurance quantities are absent.
Against the rest of the network and storage gear
This network and storage gear share the category and the price bracket. Only what each one states is shown; an incomplete column would mislead.
Model
Price
Capacity
Form factor
Stated random IOPS
TBW rating
Crucial BX500 1 TB, three years and a named encryption standard
$195
1 TB — printed twice in the title, in the maker’s unit and reported here in that unit. The second bullet separately names up to 4 TB, which is the ceiling of the range rather than this drive
2.5-inch — printed in the title, which also names laptops and desktop machines as the intended homes for the drive
Not published on the listing — no figure in IOPS appears in the title or in the six bullets
Not published on the listing — no total in terabytes written appears, on a page whose third bullet publishes the term such a total normally bounds
1 TB — printed in the title, in the maker’s unit and reported here in that unit without conversion
2.5-inch — printed in the title and repeated in the fifth bullet beside the interface and its rate
Not published on the listing — no figure in IOPS appears in the title or in the five bullets, which do publish two endurance quantities and a shock figure
Up to 480 TB — stated in the third bullet, in the same sentence as the shock figure and the population statistic. It is a volume of writing the drive is rated for and nothing more
1 TB — printed in the title and repeated in the first bullet, in the maker’s unit and reported here in that unit without conversion
2.5-inch — printed in the title and repeated in the fifth bullet. The description adds that the drive is available in 2.5-inch or M.2 form, and this listing is the 2.5-inch one
Not published on the listing — no figure in IOPS appears anywhere on the page, as on the other two listings here
Not published on the listing — no total in terabytes written appears. The previous-generation WD Blue on this shelf publishes up to 600 TB with the method behind it
What separates the models, in network and storage gear
If price decides: PNY CS900 1 TB SATA SSD, at $130.
The buyer this one serves, among network and storage gear
A machine where encryption to a named standard is a requirement and the drive will be read from far more than it is written to.
What this one costs among network and storage gear
A reference exists on these Amazon stores: France, Germany, Italy, Spain, United Kingdom, United States. Listed is not the same as in stock — availability changes daily.
Details checked on September 10, 2026.
Sources
Specifications: the manufacturer sheet for network and storage gear and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
four 1 TB drives · 2.5-inch at 7 mm (0.28 in) · up to 550 MB/s · TLC 3D NAND with SLC caching · power loss protection and ECC named · three-year replacement
Four 1 TB drives for a NAS array, and the only listing on this shelf that names power loss protection — with the word TBW on the page and no figure behind it.
Best for: Filling a four-bay enclosure in one order with drives that name power loss protection and a three-year term — once the pack is back in stock.
2 TB · 2.5-inch · SATA III · up to 540 MB/s read · up to 500 MB/s write · three-year warranty ending at a written total the page never states · no MTBF · no controller named
A two-terabyte drive whose warranty is explicitly limited by a written total, and whose page never says what that total is.
Best for: A desktop machine or a laptop needing two terabytes on this interface, bought by someone who will ask for the written total before relying on the term.
1 TB · 2.5-inch · SATA III at 6 Gbps · up to 550 MB/s read · up to 500 MB/s write · TBW rating of up to 480 TB · 2 million hours MTBF · shock resistance to 1500 G · no warranty term
A one-terabyte drive that publishes both sequential figures, a written total, a population statistic and a shock figure with its duration, and that names no warranty term at all.
Best for: A notebook or a desktop machine that is knocked about, where a shock rating and a written total matter and the term will be checked with the seller.
