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[Anandtech.com] Kingston Launches A1000 Entry-Level PCIe SSDs: Phison PS5008-E8 with 3D TLC - i4memory.com - different look at memory

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Old 07-04-2018, 11:25 AM   #1
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[Anandtech.com] Kingston Launches A1000 Entry-Level PCIe SSDs: Phison PS5008-E8 with 3D TLC


Solid-state drives with a PCIe interface have become standard storage solutions for enthusiast-grade PCs these days. By contrast, gamers with budget constraints tend to buy SSDs featuring a SATA bus because of their lower price. To address such customers with something faster, SSD makers release new product families based on inexpensive controllers and NAND memory. Over the past few months, we have seen announcements of such drives from various makers, now it is Kingston’s turn to try its luck with inexpensive NVMe SSDs.

Kingston’s A1000 NVMe SSDs are based on the Phison PS5008-E8 controller (four NAND channels, LDPC, NVMe 1.2, PCIe 3.0 x2 interface, etc.) and 256 Gb BiCS 3D TLC NAND flash from Toshiba. The Kingston A1000 SSDs will come in 240 GB, 480 GB, and 960 GB configurations, thus targeting people looking forward more or less decent capacities. It is a little bit surprising not to see a 120 GB model in an entry-level SSD family, but skipping this capacity point has its rationale: Kingston avoids a race to the bottom by not competing against the cheapest SSDs with a SATA interface (something that preserves its profit margins and reserves NAND for more popular products).


Peak sequential performance of the Kingston A1000 drives is rated at up to 1500 MB/s for reads as well as at up to 1000 MB/s for writes, which is considerably higher when compared to SATA SSDs, but is substantially lower when compared to drives with a PCIe 3.0 x4 interface. As for random performance, Kingston specs the drives for up to 120K/100K read/write IOPS, which is a bit lower when compared to some competing offerings featuring the same controller and memory.

As for reliability and endurance, all the Kingston A1000 SSDs are rated for one million hours MTBF and come with a five-year warranty. The entry-level 240 GB model is rated for 150 TB TBW (to be written), whereas the 960 GB SKU is expected to handle 600 TB TBW, which equates to around 0.34 TB DWPD (drive writes per day) over five years, a rather high rating for an entry-level consumer SSD series (but naturally a bit below when compared to higher-end drives).

Kingston A1000 Specifications Capacity 240 GB 480 GB 960 GB Model Number SA1000M8/240G SA1000M8/480G SA1000M8/960G Controller Phison PS5008-E8 NAND Flash Toshiba's 256 Gb 64-layer BiCS3 3D TLC Form-Factor, Interface M.2-2280, PCIe 3.0 x2, NVMe 1.3 Sequential Read 1500 MB/s 1500 MB/s 1500 MB/s Sequential Write 800 MB/s 900 MB/s 1000 MB/s Random Read IOPS 100K IOPS 100K IOPS 120K IOPS Random Write IOPS 80K IOPS 90K IOPS 100K IOPS Pseudo-SLC Caching Supported DRAM Buffer Yes, capacity unknown TCG Opal Encryption No Power Management DevSleep, Slumber Warranty 5 years MTBF 2,000,000 hours TBW 150 TB 300 TB 600 TB Price $120 $218 $403 Kingston advertises its A1000-series SSDs as offering “twice the performance of SATA at near SATA pricing,” so their MSRPs are just as important as their performance characteristics. At present, the Kingston A1000 SSDs are only available directly from the company with a ~30% discount, but the manufacturer says that the drives will be available from leading retailers like Amazon and Samsung shortly. Right now, the A1000 240 GB is listed for $120, the 480 GB model costs $218, and the 960 GB SKU is priced at $403. A quick calculation shows that Kingston is selling its new drives at $0.41 - $0.5 per GB, which is not that high, but which is in line with prices of the speedier MLC-based Kingston KC1000-series. Meanwhile, there are faster 3D TLC-powered drives available at around $0.35 per GB, or even lower.

Buy Kingston A1000 240 GB on Amazon.com
Since the A1000 is only beginning its life cycle, its price may be higher than it should be. The market tends to “fix” pricing of products over time.

Comparison of Kingston's NVMe SSDs Capacity A1000 KC1000 240 GB 480 GB 960 GB 240 GB 480 GB 960 GB Model Number SA1000M8/240G SA1000M8/480G SA1000M8/960G SKC1000/240G SKC1000/480G SKC1000/960G Controller Phison PS5008-E8 Phison PS5007-E7 NAND Flash Toshiba's 256 Gb 64-layer BiCS3 3D TLC Toshiba's 128 Gb planar MLC Form-Factor, Interface M.2-2280, PCIe 3.0 x2, NVMe 1.2 M.2-2280, PCIe 3.0 x4, NVMe 1.1 Sequential Read 1500 MB/s 2700 MB/s 2700 MB/s Sequential Write 800 MB/s 900 MB/s 1000 MB/s 900 MB/s 1600 MB/s Random Read IOPS 100K IOPS 120K IOPS 225K IOPS 290K IOPS Random Write IOPS 80K IOPS 90K IOPS 100K IOPS 190K IOPS Price $120 $218 $403 $120 $228 $420 Related Reading:




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