- Obtained from: Amazon
- Advertised capacity: 64GB
- Logical capacity: 62,534,975,488 bytes
- Physical capacity: 62,534,975,488 bytes
- Fake/skimpy flash: Skimpy (2.29% skimp)
- Protected area: 134,217,728 bytes
- Adjusted skimp: 2.08%
- Speed class markings: Class 10, U3, V30, A1
- CID data:
- Manufacturer ID:
0x9f - OEM ID:
0x5449(ASCII:TI) - Product name:
0x3036344742(ASCII:064GB) - Product revision:
0x00
- Manufacturer ID:
| Sample # | 1 | 2 | 3 | 4 | 5 | Average |
|---|---|---|---|---|---|---|
| Price paid* | $5.99 | $6.00 | $6.00 | $6.00 | $6.00 | $6.00 |
| Serial number | 0xfa40015a | 0xf74000e1 | 0xfa4000e9 | 0xfa400107 | 0xfa40001a | N/A |
| Manufacture date | Sep 2023 | Sep 2023 | Sep 2023 | Sep 2023 | Sep 2023 | N/A |
| Sequential read speed (MB/sec) | 91.11 | 89.93 | 91.49 | 77.91 | 90.26 | 88.14 |
| Sequential write speed (MB/sec) | 33.59 | 36.18 | 40.35 | 42.55 | 36.42 | 37.82 |
| Random read speed (IOPS/sec) | 831.80 | 2,040.25 | 2,075.85 | 1,699.77 | 2,009.29 | 1,731.39 |
| Random write speed (IOPS/sec) | 361.00 | 472.78 | 492.29 | 476.15 | 477.42 | 455.93 |
| Read/write cycles to first error | 3,805 | Not yet determined | Not yet determined | Not yet determined | Not yet determined | 3,805 |
| Read/write cycles to 0.1% failure threshold | 3,824 | Not yet determined | Not yet determined | Not yet determined | Not yet determined | 3,824 |
| Read/write cycles to complete failure | 3,824 | Not yet determined | Not yet determined | Not yet determined | Not yet determined | 3,824 |
| Total days to complete failure | 135 | Not yet determined | Not yet determined | Not yet determined | Not yet determined | 135 |
| Card reader used | JJC CR-UTC4AC | JJC CR-UTC4AC | JJC CR-UTC4AC | JJC CR-UTC4AC | JJC CR-UTC4AC | N/A |
| Package front |  | N/A | ||||
| Package back |  | N/A | ||||
| Card front |  |  |  |  |  | N/A |
| Card back |  |  |  |  |  | N/A |
* These cards were sold in a 5-pack. The price shown represents the price of the 5-pack divided equally between the five cards.
Discussion
This one came about as a suggestion from a Reddit user. The manufacturer ID and OEM ID indicate that Silicon Power manufactured these cards; however, the performance characteristics don’t exactly line up with any of the SP cards I’ve tested so far: the sequential read/write speeds are pretty close to the SP Superior Pro; however, the two samples I’ve tested so far have shown wildly different random read/write speeds, so I don’t feel like it’s fair to compare them to the SP Superior Pro just yet.
On the endurance front:
- Sample #1’s first error was a series of bit flip errors, affecting 3,547 sectors, during round 3,806. It kept going for only another 19 read/write cycles before it decided to make itself read-only. (Oddly — on my JJC readers, it showed as a read-only card; on my Realtek reader, it refused to initialize at all.)
- Samples #2, #3, #4, and #5 have not yet reached the 2,000 read/write cycle mark. Samples #2 and #3 are expected to get there sometime in May 2025. It’s still too early to tell when Samples #4 and #5 will get there.
April 30, 2025 (total number of read/write cycles updates automatically every hour)