So recently from what I have seen on Ozbargain there has been a bait and switch of internal components of SSDs done by Crucial in the MX500 lineup by having good compenents in the SSD for awhile and then silently switching them to poorer parts and masking them as the good product hoping to get more profit out of them and not making another SKU or another lineup denoting the change in internal components of an SSD.
This table created by Netsurfer shows the amount of variations within a model lineup. To explain this. That if you buy MX500 Crucial 500GB for example. You may get a Crucial MX500 500GB that can be different in terms of performance of another Crucial MX500 500GB and the customer won't know the difference.
250 GB | 500 GB | 1 TB | 2TB | 4TB | ||
---|---|---|---|---|---|---|
Form Factor | SATA 2.5" | SATA 2.5" | SATA 2.5" | SATA 2.5" | SATA 2.5" | |
Interface | AHCI | AHCI | AHCI | AHCI | AHCI | |
Controller | Var 1: | Silicon Motion SM2258 | Silicon Motion SM2258 | Silicon Motion SM2258 | Silicon Motion SM2258 | Silicon Motion SM2258 |
Var 2: | Silicon Motion SM2259 | Silicon Motion SM2259 | Silicon Motion SM2259 | Silicon Motion SM2259 | Silicon Motion SM2259 | |
DRAM/HMB | Var 1: | 256MB DDR3/DDR3L | 512MB DDR3/DDR3L | 1GB DDR3/DDR3L | 2GB DDR3/DDR3L | 512MB DDR3/DDR3L |
Var 2: | 512MB DDR3/DDR3L | 512MB DDR3/DDR3L | ||||
NAND | Var 1: | Micron TLC 64-layer B16A 256Gb | Micron TLC 64-layer B16A 256Gb | Micron TLC 64-layer B16A 256Gb | Micron TLC 64-layer B17A 512Gb | Micron TLC 64-layer B17A 512Gb |
Var 2: | Micron TLC 64-layer B17A 512Gb | Micron TLC 64-layer B17A 512Gb | Micron TLC 64-layer B17A 512Gb | Micron TLC 96-layer B27B 512Gb | Micron TLC 96-layer B27B 512Gb | |
Var 3: | Micron TLC 96-layer B27A 512Gb | Micron TLC 96-layer B27A 512Gb | Micron TLC 96-layer B27A 512Gb | Micron TLC 128-layer B37R 512Gb | Micron TLC 128-layer B37R 512Gb | |
Var 4: | Micron TLC 96-layer B27B 512Gb | Micron TLC 96-layer B27B 512Gb | Micron TLC 96-layer B27B 512Gb | Micron TLC 176-layer B47R 512Gb | Micron TLC 176-layer B47R 512Gb | |
Var 5: | Micron TLC 128-layer B37R 512Gb | Micron TLC 128-layer B37R 512Gb | Micron TLC 128-layer B37R 512Gb | Micron QLC 64-layer N18A 1Tb | Micron QLC 64-layer N18A 1Tb | |
Var 6: | Micron TLC 176-layer B47R 512Gb | Micron TLC 176-layer B47R 512Gb | Micron TLC 176-layer B47R 512Gb | Micron QLC 96-layer N28A 1Tb | Micron QLC 96-layer N28A 1Tb | |
Sequential Read (up to) | [MBps] | 560 | 560 | 560 | 560 | 560 |
Sequential Write (up to) | [MBps] | 510 | 510 | 510 | 510 | 520 |
Random Read (up to) | [IOPs] | 95000 | 95000 | 95000 | 95000 | 95000 |
Random Write (up to) | [IOPs] | 90000 | 90000 | 90000 | 90000 | 90000 |
Cryptography | 256bit AES, TCG Opal 2.0 | 256bit AES, TCG Opal 2.0 | 256bit AES, TCG Opal 2.0 | 256bit AES, TCG Opal 2.0 | 256bit AES, TCG Opal 2.0 | |
Durability (TBW) | [TB] | 100 | 180 | 360 | 700 | 1000 |
MTBF | [million hours] | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
Part Number | CT250MX500SSD1 | CT500MX500SSD1 | CT1000MX500SSD1 | CT2000MX500SSD1 | CT4000MX500SSD1 | |
Warranty | [years] | 5 | 5 | 5 | 5 | 5 |
This is a well known problem that is not just done by Crucial but other manufactuers as well. Example 1 Example 2
With this knowledge that I have gained from other users in the Ozbargain Tech Deals comment section about this bait and switch on this SSD. I decided to gamble on a purchase of two Crucial MX500 4TB. SSDs from Centre Com. Luckily, I apparently got the good ones according to netsurfer. I'm just happy that they are TLC.I have decided to spend a morning doing two benchmarks on one of my Crucial MX500 4TB SSDs. Transferring a large amount of data in a real world scenario. A single large 1.49TB file compressed and an uncompressed 1.6TB file transfer with 1.8 billion files in that file transfer.
I have uploaded an entire video showing both file transfers on my Windows 10 machine. Here. Timestamps are in the description.
If your thinking about this post saying that Crucial is bad for doing this.It's not just them other manufactures have been doing it as well.If you think that your shiny new Crucial SSD is going to kick the bucket soon. Have backups of that data you have stored on your drive and have checkups on those backups if they are actually there. Stuff breaks eventaully. including SSDs regardless of brand.
This has happened with many nvmes/ssds as prices drop they enact cost saving measures which means lower quality nand otherwise they cannot stay competitive.