Toshiba
Toshiba SD-K08G2B8TRT 8GB SDHC Class 4 Memory Card
★★★★★
Class 4 SDHC with a 5-year Toshiba warranty covers entry-level devices with modest speed requirements — reliable baseline storage where minimum 4MB/s write is all the device demands.
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Overview
Key Features
8GB storage capacity
Secure Digital High Capacity Device
Toshiba 5-Year Limited Warranty
Class 4 speed rating (min 4MB/sec)
Write-protect feature prevents accidental overwrites
Specifications
Model
SD-K08G2B8TRT
Capacity
8GB
Card Type
SDHC (Secure Digital High Capacity)
Speed Class
Class 4 (Minimum 4MB/s write)
Compatibility
SDHC-compatible devices
Warranty
5-Year Toshiba Limited Warranty
Write-Protect Switch
Yes
Pros & Cons
👍 Pros
- 8GB capacity handles thousands of JPEG images or general file storage without requiring immediate offload on devices with modest write rates
- SDHC standard ensures compatibility with the broad installed base of SD host devices manufactured since 2006 — universal acceptance across cameras, tablets, GPS devices, and media players
- 5-year Toshiba limited warranty provides substantially longer coverage than the 1–2 year warranties common to competing entry-level SD cards in this class
- Class 4 minimum 4MB/s sustained write speed is reliably consistent across the card's surface, avoiding the write-speed drop-offs common in unrated or poorly binned cards
- Physical write-protect switch provides a hardware-level safeguard against accidental deletion or overwriting of archived data — software cannot override it
- Physical write-protect switch prevents accidental data loss or card formatting from host device errors — a hardware safeguard absent from most USB flash drives
- 8GB capacity stores thousands of JPEG photos from standard-resolution cameras or hours of standard-definition video, adequate for casual and light-use applications
- 5-year limited warranty exceeds the standard 1-2 year coverage offered by unbranded or value-tier memory cards, reflecting Toshiba's quality confidence
- Standard SDHC form factor is compatible with all SDHC and SDXC host devices, eliminating compatibility concerns across cameras, tablets, and card readers
- Full-size SD form factor fits native SD slots without the microSD-to-SD adapter required by smaller format cards, eliminating adapter dependency
👎 Cons
- Class 4 minimum 4MB/s write speed is too slow for reliable HD video recording on modern cameras — Class 10 or UHS-I is required for 1080p+ video in most current devices
- Class 4 minimum write speed of 4MB/s is the slowest viable SD speed class — burst shooting queues and HD video recording will encounter buffer overflow on any device with higher speed requirements
- 8GB capacity is insufficient for RAW photography, 4K video recording, or extended travel use without frequent transfers or carrying additional cards
- 8GB capacity fills quickly with RAW image files from modern high-megapixel cameras — a session shooting 24MP RAW frames exhausts the card in under 300 exposures
- No stated read speed specification beyond the Class 4 write floor — file transfer to a computer is slower than UHS-I cards, which matters during time-sensitive culling workflows
- No UHS-I bus support limits this card to the legacy SD bus speed ceiling of approximately 25MB/s theoretical maximum — well below the 104MB/s of UHS-I rated cards
- Class 4 read and write speeds produce slow card-to-computer transfers for large photo batches — copying 8GB at Class 4 speeds is a measured wait versus Class 10 or UHS-I alternatives
- SDHC standard caps the card at 32GB maximum capacity; this 8GB unit offers no upgrade path within the same card — a new card purchase is required to expand storage
- No stated temperature or shock resistance rating — durability specifications for harsh conditions are not disclosed in the available product data
- No application performance class rating (A1/A2) — this card is not suitable as expandable app storage in Android devices where random IOPS performance governs the experience
Frequently Asked Questions
What devices are compatible with this Toshiba 8GB SDHC card?
This card uses the SDHC standard, which is compatible with any device that supports SDHC or SDXC (SDXC slots are backward-compatible with SDHC). Older SD-only devices manufactured before 2006 do not support SDHC — check your device manual to confirm SDHC support before purchasing.
What devices are compatible with this SDHC card?
Any device with an SDHC-compatible slot accepts this card. Original SD 1.x devices are not SDHC compatible — verify your device manual confirms SDHC support. Most cameras, tablets, GPS units, and media players manufactured after approximately 2008 include SDHC compatibility.
What does Class 4 mean in practice for everyday use?
Class 4 guarantees a minimum sustained write speed of 4MB/s — the baseline SD speed class. This is sufficient for still photography in low-burst cameras and standard-definition video recording, but insufficient for continuous HD video, high-speed burst shooting, or fast card-to-computer transfer workflows.
What does Class 4 speed rating mean, and is it fast enough for video recording?
Class 4 guarantees a minimum sustained write speed of 4MB/s. This is adequate for recording standard definition video, writing JPEG images from cameras with modest burst rates, and storing general files. It is not fast enough for reliable HD video recording at high bitrates — Class 10 or UHS-I cards are required for 1080p+ video on most modern cameras.
How does the write-protect switch work on this card?
The physical write-protect switch on the card's side, when slid to the locked position, prevents any device from writing to or deleting files from the card. It's a hardware-level protection that the host device respects — useful for archiving images you don't want accidentally overwritten. Sliding it back to the unlocked position restores normal read/write access.
Can this card be used in a camera that requires UHS-I or Class 10?
No — if your camera specifies UHS-I or Class 10 (minimum 10MB/s write), a Class 4 card may cause dropped video frames, buffer overflow during burst shooting, or error messages. Use this card only in devices whose minimum speed requirement is Class 4 or lower.
What does the write-protect switch do?
The physical write-protect slider on the card's side tells the host device not to write to the card, preventing accidental deletion or formatting. This is a host-level protection — the device reads the switch state and respects it, rather than the card enforcing write blocking in hardware.
What does the Toshiba 5-year limited warranty cover on this card?
The 5-year limited warranty covers manufacturing defects — if the card fails due to a defect in materials or workmanship within the warranty period, Toshiba will replace or repair it. It does not cover physical damage, accidental deletion of data, or data recovery. Keep your proof of purchase for warranty claims.
Is 8GB of storage enough for modern use cases?
8GB accommodates thousands of JPEG photos from lower-megapixel cameras, several hours of standard definition video, or several gigabytes of general files. For modern DSLRs shooting RAW, high-resolution smartphones, or HD/4K video, 8GB fills quickly — a 24MP RAW file averages 25-35MB, meaning approximately 230-320 RAW frames before the card is full.
How does the 5-year warranty compare to competing Class 4 cards?
Toshiba's 5-year limited warranty is longer than most competing Class 4 cards, which typically carry 1–2 year coverage. The warranty covers manufacturing defects but not data recovery on card failure — back up critical data regardless of warranty length.
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