256G, Write Speed: 40MB/s, Read Speed: 100MB/s, Model: P500 Pro, Speed Class: V30 UHS-I U3, 128G, Capacity: 64G.
Just check coupons out (with price alert and history). You probably want to know what is the best price?
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG17a931, TTxBG10, BGeb9f26, aff7off, bgssaff9, BG5cf727, AFfbG10, BGQWER265, BGLK5FC, 502C6B, BGNU9G7KL, BGlK24532O, BGBFAFF2019, BGNgyro8a, BGCITYADS2019, BGGIUFFYIH, BGN1245LM, BGN145th6, BGVDay10%off, BGN245E, 7d18f7, FBCOUPON1, BGAFF10OFF, BGTT10, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGNDS10OFF, BGCuponation10, 13f142, BGHONEY2110, BANGGOODSD, 6GSGIT, BG00c906
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – Netac P500 PRO U3 64GB MicroSD Card ($-3)
2. China – Netac P500 PRO U3 128GB MicroSD Card ($-3)
3. Europe – Netac P500 PRO U3 64GB MicroSD Card [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Netac P500 PRO U3 256GB MicroSD Card. The lowest price was: $29.23.
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)).