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Techman XC100E5C 1.6TB Enterprise PCIe NVMe SSD Review

By: Jon Coulter | PCIe SSDs in IT/Datacenter | Posted: Jul 1, 2016 4:20 pm
TweakTown Rating: 90%Manufacturer: Techman SSD





The top half of the drive's all-black PCB is covered by a full-length aluminum heat sink. There is a sheet aluminum cover fused to a daughterboard PCB with a Techman logo on it. The cover attaches with four small screws.


The bottom half of the PCB has no shielding; the components are exposed. This half of the PCB houses 16 of the drive's 32 Toshiba 15nm eMLC flash packages and four of the drive's eight Nanya DRAM cache packages.





There is a full-length manufacturer's label located on this side of the drive's aluminum heat sink. The label lists the drive's model number, part number, serial number, and shipping firmware.




From this angle, we can see the drive's perforated full-height bracket. The drive ships with a half-height bracket. Techman was kind enough to send along full height brackets for our use.




From this angle, we can see the channels in the heat sink where airflow is to be directed through to the perforated mounting bracket.




Here is a shot of the drive with the daughterboard removed.




Removing the heat sink reveals that the drive's controller and major components are fitted with thermal pads to wick heat away. This side of the PCB houses the drive's controller, 16 of its 32 NAND flash packages, and four 256MB DRAM cache packages. There is an additional 256GB DRAM package dedicated for data ECC. The function of the additional 256MB DRAM package further guarantees data integrity at the expense of some write speed.




A detailed view of the drive's 16-channel, 16-core Microsemi (formerly PMC) 500MHz ASIC "Princeton" controller.




A detailed view of some of the drive's 64GB (32 in total) Toshiba 15nm eMLC BGA flash packages. 32-64GB flash packages give the drive a total of 2048GB NAND array capacity. The drive is over-provisioned by 28% leaving 1.6TB available to the end-user before formatting.




A detailed view of some of the drive's (eight in total) 256MB Nanya 1600MHz DDR3 DRAM cache packages. Eight 256MB DRAM packages give the 1.6TB XC100E5C a total of 2GB onboard data cache.



Specifications and Features




We are going to go over the 1.6TB XC100E5C's specifications, for other capacities please refer to the above product specification sheet. Techman's XC100E5C 1.6TB Enterprise PCIe NVMe SSD comes in a half-height, half-length, low-profile Add-in Card (AIC) form factor as well as a 2.5" U.2 (SFF-8639) variant. Factory specifications for both form factors are identical. We note that the given factory specifications on the product sheet for random write are FOB. Additionally, we note that the specs given on the factory spreadsheet for mixed 4K 70/30 R/W are also FOB.


Features include a PCIe Gen 3.0 x4 interface, and Toshiba eMLC NAND flash memory. End-to-End data protection featuring XOR parity protection and advanced ECC bit correction are featured on all internal and external memories in the data path for protection at every layer. Enhanced power loss management including protection from unplanned power loss or PLI (Power Loss Imminent) by utilizing a propriety combination of hardware, firmware algorithms, and robust validation is also included. We also have background garbage collection and optional AES 256-bit encryption.


Techman XC100E5C 1.6TB PCIe NVMe SSD steady-state factory specs:


  • Sequential 128KB Read (up to): 3200 MB/s
  • Sequential 128KB Write (up to): 1400 MB/s
  • Random 4KB Read (up to): 750,000 IOPS
  • Random 4KB Write (up to): 115,000 IOPS
  • Read/Write latency: 90/17us (typical)


Reliability: MTBF 1.2 million device hours, UBER: 1E-17, end-to-end data protection, enhanced power-loss data protection, SMART monitoring, bad block management, TRIM, and wear-leveling.


Endurance: PBW (Petabytes Written): 1.6TB = 20.4 PBW equivalent to seven drive writes per day for five years.


Pricing: Techman's XC100E5C is set to retail for approximately $2 per gigabyte.

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