SSD: Difference between revisions

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== PCIe 4.0 SSD ==
== EDSFF ==
'''EDSFF stands for Enterprise and Data Center Standard Form Factor''' previously known as the '''Enterprise and Data Center SSD Form Factor''' is a family of SSD form factors for use in data centers<ref>https://en.wikipedia.org/wiki/Enterprise_and_Data_Center_Standard_Form_Factor</ref>
 
Samsung's PM983 - NGSFF (also known as M.3 or NF1) form factor competes with EDSFF<ref>https://www.anandtech.com/show/13609/pcisig-warns-of-incompatibilities-between-m2-and-samsungs-ngsff</ref>.
{| class="wikitable"
|+EDSFF Device Form Facto<ref>file:///Users/bpark/Downloads/SFF-TA-1008_R2.0.pdf</ref>
!Variation
!Height
!Length
!Thickness
|-
|E3.S
|76mm
|112.75mm
|7.5mm
|-
|E3.S 2T
|76mm
|112.75mm
|16.8mm
|-
|E3.L
|76mm
|142.2mm
|7.5mm
|-
|E3.L 2T
|76mm
|142.2mm
|16.8mm
|}
 
 
====== PCIe 4.0 SSD ======
'''as of SAN JOSE, Calif., April 26, 2022, Solidigm introduced new series of SSD - D7-P5520 and the D7-P5620 - for high performance with zero tolerance for data errors. D7-P5520 (designed for read-intensive and light mixed workloads) and the D7-P5620 (designed for mixed workloads)'''<ref>https://news.solidigm.com/en-WW/213598-solidigm-introduces-the-industry-s-most-advanced-pcie-4-0-ssd-family-optimized-for-cloud-and-enterprise-workloads</ref>.
'''as of SAN JOSE, Calif., April 26, 2022, Solidigm introduced new series of SSD - D7-P5520 and the D7-P5620 - for high performance with zero tolerance for data errors. D7-P5520 (designed for read-intensive and light mixed workloads) and the D7-P5620 (designed for mixed workloads)'''<ref>https://news.solidigm.com/en-WW/213598-solidigm-introduces-the-industry-s-most-advanced-pcie-4-0-ssd-family-optimized-for-cloud-and-enterprise-workloads</ref>.


Revision as of 10:01, 30 May 2023


Solid-state drives (SSDs) come with a variety of connectors, connection protocols, underlying technologies and form factors. The primary types of SSDs are the 2.5”, M.2 (SATA & NVMe), NVMe PCIe and the U.2 (formerly SFF-8639) SSD, each offering distinct advantages and disadvantages.

Sata sas nvme u.2.png
Type Connector Protocol Technology Form Factor ETC. Connector Bandwidth
M.2 SATA SSD M.2 SATA SATA M.2 - 22 or 30mm wide

- 2280, 1630, 3030

0.6GB/s
M.2 NVMe SSD M.2 PCIe NVMe M.2 8GB/s
2.5" SATA SSD SATA SATA SATA 2.5" 0.6GB/s
2.5" U.2 SSD U.2 (SFF-8639) PCIe/SAS/SATA NVMe 2.5" sff-8639 8GB/s
PCIe Add-in-Card(AIC) SSD PCIe PCIe NVMe PCIe AIC

(Add in Card)

8GB/s

EDSFF

EDSFF stands for Enterprise and Data Center Standard Form Factor previously known as the Enterprise and Data Center SSD Form Factor is a family of SSD form factors for use in data centers[1]

Samsung's PM983 - NGSFF (also known as M.3 or NF1) form factor competes with EDSFF[2].

EDSFF Device Form Facto[3]
Variation Height Length Thickness
E3.S 76mm 112.75mm 7.5mm
E3.S 2T 76mm 112.75mm 16.8mm
E3.L 76mm 142.2mm 7.5mm
E3.L 2T 76mm 142.2mm 16.8mm


PCIe 4.0 SSD

as of SAN JOSE, Calif., April 26, 2022, Solidigm introduced new series of SSD - D7-P5520 and the D7-P5620 - for high performance with zero tolerance for data errors. D7-P5520 (designed for read-intensive and light mixed workloads) and the D7-P5620 (designed for mixed workloads)[4].

Hothardware's performance benchmark shows competitive performance against competitors[5] in the market.

Reference

  1. ↑ https://en.wikipedia.org/wiki/Enterprise_and_Data_Center_Standard_Form_Factor
  2. ↑ https://www.anandtech.com/show/13609/pcisig-warns-of-incompatibilities-between-m2-and-samsungs-ngsff
  3. ↑ file:///Users/bpark/Downloads/SFF-TA-1008_R2.0.pdf
  4. ↑ https://news.solidigm.com/en-WW/213598-solidigm-introduces-the-industry-s-most-advanced-pcie-4-0-ssd-family-optimized-for-cloud-and-enterprise-workloads
  5. ↑ https://hothardware.com/reviews/solidigm-ssd-d7-p5520-data-center-nvme-review?page=2
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