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ECM21-E

Screwless design for M.2 PCIe/NVMe SSD

Supports PCIe Gen4 M.2 PCIe/NVMe SSD

CLKREQ jump pin header 

LED indicator for displaying M.2 PCIe/NVMe status

Supports 2230, 2242, 2260, and 2280 length M.2 SSD

Converts M.2 port (M key) into one PCIe x4 interface 

ECM21-E x 1

M.2 SSD screw x 2

Screw nut x 1

Low profile bracket x 1

Package Content

Specifications

Screwless M.2 to 

PCIe x4 adapter card 

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Warranty Information

1. Product component defects or damages resulted from defective production is covered under warranty. Defects or damages with the following 
    conditions will be fixed or replaced under SilverStone Technology’s jurisdiction.
a) Usage in accordance with instructions provided in this manual, with no misuse, overuse, or other inappropriate actions.
b) Damage not caused by natural disaster (thunder, fire, earthquake, flood, salt, wind, insect, animals, etc…)
c) Product is not disassembled, modified, or fixed.  Components not disassembled or replaced.
d) Warranty mark/stickers are not removed or broken.
    Loss or damages resulted from conditions other than ones listed above are not covered under warranty.

2. Under warranty, SilverStone Technology’s maximum liability is limited to the current market value for the product (depreciated value, excluding 
    shipping, handling, and other fees). SilverStone Technology is not responsible for other damages or loss associated with the use of product.

3. Under warranty, SilverStone Technology is obligated to repair or replace its defective products.  Under no circumstances will SilverStone Technology 
    be liable for damages in connection with the sale, purchase, or use including but not limited to loss of data, loss of business, loss of profits, loss of 
   use of the product or incidental or consequential damage whether or not foreseeable and whether or not based on breach of warranty, contract or 
    negligence, even if SilverStone Technology has been advised of the possibility of such damages.

4. Warranty covers only the original purchaser through authorized SilverStone distributors and resellers and is not transferable to a second hand purchaser.

5. You must provide sales receipt or invoice with clear indication of purchase date to determine warranty eligibility.

6. If a problem develops during the warranty period, please contact your retailer/reseller/SilverStone authorized distributors or SilverStone 

    http://www.silverstonetek.com

. Please note that: (i) You must provide proof of original purchase of the product by a dated itemized receipt; (ii) You 

    shall bear the cost of shipping (or otherwise transporting) the product to SilverStone authorized distributors. SilverStone authorized distributors will 
    bear the cost of shipping (or otherwise transporting) the product back to you after completing the warranty service; (iii) Before you send the product, 
    you must be issued a Return Merchandise Authorization (“RMA”) number from SilverStone. Updated warranty information will be posted on SilverStone’s 
    official website. Please visit 

http://www.silverstonetek.com

 for the latest updates.

Warranty terms & conditions

Additional info & contacts

For North America ([email protected])
SilverStone Technology in North America may repair or replace defective product with refurbished product that is not new but has been functionally tested. 
Replacement product will be warranted for remainder of the warranty period or thirty days, whichever is longer. All products should be sent back to the 
place of purchase if it is within 30 days of purchase, after 30 days, customers need to initiate RMA procedure with SilverStone Technology in USA by 
first downloading the “USA RMA form for end-users” form from the below link and follow its instructions. http://silverstonetek.com/contactus.php For 
Australia only ([email protected]) Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are 
entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to 
have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure. Please refer to above 
“Warranty terms & conditions” for further warranty details. SilverStone Technology Co., Ltd. 12F No. 168 Jiankang Rd., Zhonghe Dist., New Taipei City 235 
Taiwan R.O.C. + 886-2-8228-1238 (standard international call charges apply) 
For Europe ([email protected]), For China ([email protected]), For all other regions ([email protected]

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 
(1)  this device may not cause harmful interference, and 
(2)  this device must accept any interference received, including interference that may cause undesired operation.

This product has a limited 1 year warranty in North America and Australia.  
For information on warranty periods in other regions, please contact your reseller or SilverStone authorized distributor.

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https://silverstonetek.com.cn/ 

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NO.G11239160

Model No.

Interface

SSD Interface

Module Key 

Support Length of M.2 SSD 

*If you wish to boot off using M.2 SSD, your motherboard needs to support it. Due to BIOS limitations, not all motherboards support 

 booting off M.2 SSD so please consult your motherboard manual or vendor for more details on how to enable this function.

*M.2 PCIe-NVMe mode SSD requires the use of Intel® 9 series (Z97 H97 Z170 X99) or higher version chipset motherboard with 

  Windows 8 or higher version operating system.

SST-ECM21-E

PCI Express x4 

M.2 (NGFF)

PCIe x4-based M key

30mm, 42mm, 60mm, 80mm

LED Indicator

Net weight

Dimension 

Power ON: Green

Read/Write: Red 

57g  

120mm (W) x 23mm (H) x 104mm (D)

4.72” (W) x 0.91” (H) x 4.09” (D) 

CIe/NVMe SSD

NVMe SSD

/NVMe status

gth M.2 SSD

nterface 

s  not all mothe

nable t

ator

Power ON: Green

Read/Write: Red 

57g 

72” (W) x 0.91” (H) x 4.09” (D)

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