MTBF More than 2 /000.000hours, Maximum Read Speed 3200MB/s, Capacity 256GB, Operating Voltage 3.3V, Maximum Write Speed 1400MB/s, Flash Type 3D NAND Flash, Interface M.2 2280 NVMe PCIe 3.0×4, Net Weight 5.5g, Item Size 80x22x3.8mm, Cache 256MB, Operational Temperature 0°C~70°C, Model BW-NV4.
Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($30.99): BGe8a0a1
2. ($36.99): BGd9f81e
3. ($42.99): BG1fff3d
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGca58e6, BGN0645, BGN0645C, 7bcdf9, BANGGOODSD, BG500c30, BG0a80c4, 00c906, BG00c906
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for BlitzWolf BW-NV4 M.2 NVMe SSD 256GB is here. The lowest price was: $30.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).