Kingston Launches A1000 Entry-Level PCIe SSDs: Phison PS5008-E8 with 3D TLC

Friday, April 6th, 2018 - SSDs, Teknologi

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 aster, 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.

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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 0 GB model in an entry-level SSD family, but skipping this capacity point has its rationale: Kingston avoids race to 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 0 TB TBW, which equates to around 0.34 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
Capacity240 GB480 GB960 GB
Model NumberSA1000M8/240GSA1000M8/480GSA1000M8/960G
ControllerPhison PS5008-E8
NAND FlashToshiba's 256 Gb 64-layer BiCS3 3D TLC
Form-Factor, InterfaceM.2-2280, PCIe 3.0 x2, NVMe 1.3
Sequential Read1500 MB/s1500 MB/s1500 MB/s
Sequential Write800 MB/s900 MB/s1000 MB/s
Random Read IOPS100K IOPS100K IOPS120K IOPS
Random Write IOPS80K IOPS90K IOPS100K IOPS
Pseudo-SLC CachingSupported
DRAM BufferYes, capacity unknown
TCG Opal EncryptionNo
Power ManagementDevSleep, Slumber
Warranty5 years
MTBF2,000,000 hours
TBW150 TB300 TB0 TB
Price$0$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 $0, 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.

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
CapacityA1000KC1000
240 GB480 GB960 GB240 GB480 GB960 GB
Model NumberSA1000M8/240GSA1000M8/480GSA1000M8/960GSKC1000/240GSKC1000/480GSKC1000/960G
ControllerPhison PS5008-E8Phison PS5007-E7
NAND FlashToshiba's 256 Gb 64-layer BiCS3 3D TLCToshiba's 128 Gb planar MLC
Form-Factor, InterfaceM.2-2280, PCIe 3.0 x2, NVMe 1.2M.2-2280, PCIe 3.0 x4, NVMe 1.1
Sequential Read1500 MB/s2700 MB/s
Sequential Write800 MB/s900 MB/s1000 MB/s900 MB/s1600 MB/s
Random Read IOPS100K IOPS120K IOPS225K IOPS290K IOPS
Random Write IOPS80K IOPS90K IOPS100K IOPS190K IOPS
Price$0$218$403$0$228$420

Related Reading:

Source: Kingston

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