У меня аналогичная ситуация, только флешка сувинирная якобы на 64 Гб. Хотя прога H2testw показала реально 8 Гб. Не могу найти утилиту. Труднось в том, что по разному определяется контролер:
ChipGenius показывает:
Description: [J:]Çàïîìèíàþùåå óñòðîéñòâî äëÿ USB(General UDisk)
Device Type: Mass Storage Device
Protocal Version: USB 2.00
Current Speed: High Speed
Max Current: 100mA
USB Device ID: VID = ABCD PID = 1234
Serial Number: 1403180318298896975014
Device Vendor: General
Device Name: UDisk
Device Revision: 0100
Manufacturer: General
Product Model: UDisk
Product Revision: 5.00
Controller Vendor:
SiliconGo [former Kingstor]
Controller Part-Number: p
Flash ID code: 70000500 - 4CE/Single Channel [MLC]
Tools on web:
http://dl.mydigit.net/search/?type=all&q=%BD%F0%B4%E6ChipEasy:
Logical drive : J:\ Capacity: 62.5G
Device ID : VID = ABCD PID = 1234
Device SN : 1403180318298896975014
Device version : 5.00
Device vendor : General
Device model : UDisk
Protocol : USB2.0
Max power : 100mA
Partition type : exFAT Device active : no
Aligned state : 0 KB, Have been Aligned
Controller :
ChipsbankController model: CBMeneral
FW Date : UDis.
Flash Drive Information Extractor:
Volume: J:
Controller: Unknown
Possible Memory Chip(s): Not available
VID: ABCD
PID: 1234
Manufacturer: General
Product: UDisk
Query Vendor ID: General
Query Product ID: UDisk
Query Product Revision: 5.00
Physical Disk Capacity: 67108864000 Bytes
Windows Disk Capacity: 67105718272 Bytes
Internal Tags: AC5F-QAGJ
File System: EXFAT
USB Version: 2.00
Declared Power: 100 mA
ContMeas ID: 2F35-02-00
Microsoft Windows 7 SP1
------------------------------------
...
Program Version: 7.9.0.548
Перебрал утилиты SiliconGo и Chipsbank - не подходят!!!