POS Terminal TF Memory Card 64GB 128GB A2 U3 Wide Temperature Class 10
Product Summary
Product Details
POS Payment Terminal Logging
,Wide Temperature -25C to 85C
,A2 U3 Random Read
Product Description
The moment a payment terminal loses power in the middle of an authorisation, the record of that sale can vanish. Retail operators meet this risk every day, because terminals, self-service kiosks and fare gates are switched off without warning, and the storage inside them has to keep a clean journal of every approval, receipt and settlement batch. A POS terminal TF memory card carries that journal, and it has to keep working inside a cabinet that may stand in an unheated entrance hall, a covered forecourt or a warehouse office where the temperature moves far outside a comfortable office range.
That is why temperature behaviour is the first item to check when a POS terminal TF memory card is specified. A commercial card rated for a mild window can lose margin at both ends of the year: readers start returning timeouts in a cold store in January, and write errors appear in a glass-fronted kiosk in July. This card is built for the extended window of -25C to 85C, so the same part number can serve indoor counters and semi-outdoor units without a separate qualification round for each site.
This POS terminal TF memory card is offered in 64GB, 128GB and 256GB, uses the SD6.1 UHS-I interface and is formatted exFAT. The A2 application performance class keeps small random reads responsive when the terminal boots its payment application, while LDPC error correction and advanced ECC protect the transaction log as the cells age. Capacity choice is mostly a question of retention policy: terminals that keep a rolling 30 day journal are usually comfortable with 64GB, while kiosks that store signed receipt images and daily settlement archives often move to 128GB or 256GB.
Reliability here is documented rather than promised. Samples are cycled in a thermal chamber across the full -25C to 85C window and read back after each soak, write endurance is checked with sustained logging at the rated speed class, and results are filed against the production lot. Buyers who need to qualify a POS terminal TF memory card inside their own test plan can request that data, along with lot traceability for incoming inspection.
This page describes one part family rather than a single model, because the same POS terminal TF memory card is supplied in three capacities and in both A1 and A2 configurations. Integrators who already run a POS terminal TF memory card from another source usually compare three figures first: the operating window, the random read rating and the endurance number, since those decide whether a terminal fleet can standardise on one POS terminal TF memory card as the field spare.
| Interface | SD6.1, UHS-I |
|---|---|
| Capacity | 64GB / 128GB / 256GB |
| Speed Class | C10, U3, V30, A2, A1 |
| Sequential Read | Up to 90MB/s |
| Sequential Write | Up to 50MB/s (TLC) |
| Random Read (A2) | 4,000 IOPS minimum |
| Endurance | 3,000 program / erase cycles (TLC) |
| Data Retention | 10 years at 25C |
| Operating Temperature | -25C to 85C |
| Storage Temperature | -40C to 85C |
| Error Correction | Advanced ECC with LDPC |
| File System | exFAT |
- Countertop and mobile POS terminals that log every approval and void.
- Self-service checkout kiosks running an embedded payment application.
- Parking, ticketing and fare gate controllers writing a record per entry.
- Vending and locker controllers that must survive an unheated lobby.
- Queue management displays and customer facing tablets in retail stores.
- Store-and-forward terminals that batch settlements when the network drops.
- Extended -25C to 85C range covers both cold stores and glass-fronted kiosks.
- A2 rated random read keeps the payment application start-up quick after a reboot.
- LDPC error correction reduces the chance of a corrupt journal after a hard power cut.
- One part family from 64GB to 256GB covers several terminal models in a fleet.
- exFAT formatting avoids the file size limits that older formats impose on archives.
- Thermal cycling test records are supplied for internal qualification files.
