Samsung Kicks Off Mass Production of 8 TB NF1 SSDs with PCIe 4 Interface

Friday, June 22nd, 2018 - SSDs, Teknologi

Samsung Kicks Off Mass Production of 8 TB NF1 SSDs with PCIe 4 Interface

Samsung this week announced that it had started mass production of its new 8 TB NF1 SSDs. Samsung has been demonstrating prototype NF1 SSDs for slightly less than a year now, so it is not surprising that some of its customers are now ready to adopt them. The larger NF1 form factor allows for drives with double the capacity of M.2 SSDs, and they are aimed primarily at data-intensive analytics and virtualization applications that require higher performance and capacity than what M.2 can provide.

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Samsung’s NF1 SSDs are based on the company’s 512 GB packages comprising of 16 layers of 256 Gb TLC V-NAND memory devices, as well as the company’s proprietary controller accompanied by 12 GB of LPDDR4 memory. Prototype NF1 drives used Samsung’s Phoenix controllers already used for client SSDs, but the company yet has to confirm the chip it uses for its commercial NF1 SSDs. From performance point of view, the NF1 drives deliver sequential read speeds of 3100 MB/s and write speeds of 2000 MB/s. When it comes to random performance, the drives are capable of up to 500K read IOPS as well as 50K write IOPS. As for endurance, Samsung rates the drives for 1.3 DWPD.

Samsung NF1 SSD Specification
Capacity8 TB
ControllerPhoenix (?)
NAND Flash256 Gb TLC V-NAND
Form-Factor, InterfaceNF1, PCIe 4
Sequential Read3100 MB/s
Sequential Write2000 MB/s
Random Read IOPS500K IOPS
Random Write IOPS50K IOPS
Pseudo-SLC Cachingunknown, likely not
DRAM Buffer12 GB LPDDR4
TCG Opal EncryptionNo
Power ConsumptionActiveRead? W
Write? W
Idle? mW
Warranty3 years
MTBF?
TBW11388 TB
Price?

Two interesting points that Samsung mentioned in its press release was the fact that its NF1 SSDs enabled an undisclosed maker of servers to install 72 of such drives in a 2U rack for a 576 TB capacity and the fact that the drives used a PCIe 4 interface. All previous public demonstrations of NF1 SSDs were carried out on 1U servers based on Intel’s Xeon processors and there is also an NF1-compatible server from AIC based on AMD’s EPYC CPU. Samsung’s customer who uses the NF1 drives will likely identify itself in the coming months. In the meantime, the only shipping processor supporting PCIe 4 is the IBM POWER9, whereas the only PCIe 4-supporting switches are available from Microsemi.

Samsung promises to start producing higher-capacity NF1 SSDs later this year. The company also says that JEDEC is expected to formally standardize the NF1 (aka NGSFF) spec this October.

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Source: Samsung

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