Samsung XP941 MZHPU512HCGL - solid state drive - 512 GB - PCI Express 2.0 x4
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Compatible Bays:1 x internal - M.2, Interfaces:1 x PCI Express 2.0 x4 - M.2 Card, Drive Transfer Rate:1400 MBps (external), 4KB Random Read:122000 IOPS, Internal Data Rate:1170 MBps (read) / 930 MBps (write), Maximum 4KB Random Write:72000 IOPS, 4KB Random Write:72000 IOPS, Power Consumption:5.8 Watt ( active ) ¦ 80 mW ( idle ), Non-Recoverable Errors:1 per 10^15, MTBF:1,500,000 hours
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Top Customer Reviews
The Drive is very very quick.....
Perfect for a boot drive
But I am very worried about the temperature it gets up to. I have seen a youtube clip where ran test and the temperature of this went up to 113 degrees! I do not have temperature sensor for XP941 but the surrounding gets very hot! I will invest in some thermal gap fillers to help keep the temperature low as possible. I think it is best to avoid installing programs that uses file systems a lot like a game as this will increase the temperature of the drive and probably reduce its life expectancy.
If you are a patient type, maybe, its better to wait a bit to see what other competitors bring out (or what Samsung brings out) before investing in this. Price is quite high too since its quite new tech I guess, although the components it uses are pretty much same as other SSDs.
Write speeds are a healthy 820MB/s and read is 1050MB/s.
It seems like NGFF slots in laptops either support SATA (vast majority) or PCIe; thus forget about buying a laptop with NGFF SATA SSD (e.g. Lenovo X1 Carbon) and buying a NGFF PCIe SSD to upgrade it - you are stuck with SATA! In effect we're not in a better position than with mSATA - if anything many slots would either take a mSATA SSD or a PCIe WWAN card - so in effect you have a better chance to upgrade to a PCIe mSATA SSD than to a PCIe NGFF SSD!!!
Note that unlike the Plextor 6e - the XP941 does NOT have boot support, it needs a BIOS that can boot off PCIe SSD. So a dumb NGFF to PCIe adaptor will not make your desktop boot off it - but you can use it as storage/scratch/cache, etc. booting off something else.
The XP941 masquerades as a SATA controller+SATA SSD to an OS, but that is only for compatibility with OS/drivers. It can thus use the generic SATA AHCI drivers without any changes - effectively virtualised SATA AHCI. Thus no driver needed nor utility - sadly Samsung's own Magician does NOT support it.
To reduce power, the laptop had the NGFF slot set to Gen1 PCIe - to save power - thus the XP941 benchmarked at 700MB/s - much slower than expected. After looking in the BIOS and setting Gen2 PCIe (aka 5Mbps link, x4) the scores jumped to the rated 1.2GB/s read, 900MB/s write - and good increase in IOPS. This is 2x or higher than what a SATA3 NGFF SSD would score.Read more ›
Most Recent Customer Reviews
Finally got it to work as os win 7 on Asus x99 s motherboard works OKPublished 16 months ago by r bawden
really good buy windows loads so quickly no problem on install on my asus x99 mbPublished 17 months ago by C. P. Starr