SanDisk

SanDisk SDSDQUIP-016G-A46 16GB Ultra Plus MicroSDHC Memory Card

4.4 (25 reviews)
1080p

40MB/s sequential reads and Class 10 / U1 rating make this 16GB microSDHC a dependable baseline card for HD video and everyday device storage.

$26.89*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The SanDisk Ultra Plus SDSDQUIP-016G-A46 is a 16GB microSDHC UHS-I card rated at 40 MB/s maximum sequential read and Class 10 / U1 write performance. To contextualize those numbers: the UHS-I bus provides a theoretical 104 MB/s bandwidth ceiling, and this card operates comfortably within the lower tier of that range — fast enough for HD video playback and responsive app performance, but not positioned for burst photography pipelines or high-bitrate recording demands. The U1 minimum 10 MB/s sustained write is the key specification for video users: it satisfies the minimum throughput requirement for uninterrupted 1080p recording, including 3D video formats. The card's physical durability ratings — waterproof, temperature-proof, X-ray-proof, shockproof — address real-world carry conditions rather than controlled lab use, and the included SD adapter extends the card's compatibility to full-size slots without additional accessories.

This card's natural home is in devices where storage expansion is needed but peak throughput isn't the priority: entry-level action cameras, dashcams, older smartphones, portable audio players, and secondary card slots where overflow capacity matters more than speed. The 16GB capacity, while modest relative to current card pricing, covers roughly 80–100 minutes of typical 1080p video or several thousand JPEG images — sufficient for defined use cases where the card is regularly offloaded. Power users running 4K-capable cameras or high-speed continuous shooting should look to U3 / V30-rated cards; for everyone else operating within 1080p and HD media workflows, the Ultra Plus 16GB delivers reliable, specification-matched performance backed by a lifetime limited warranty.

Key Features

Up To 40MB/s Read Speed

UHS Speed Class 1 (U1) & Class 10 For Full HD Video (1080p) & 3D Video

Compatibility: microSDHC, microSDXC, microSDHC UHS-I, & microSDXC UHS-I Supporting Host Devices

Lifetime Limited Warranty

Waterproof, X-ray Proof, Temperature Proof & Shockproof

Specifications

Model
SDSDQUIP-016G-A46
Capacity
16GB
Card Type
microSDHC UHS-I
Max Read Speed
Up to 40 MB/s
Speed Class
Class 10 / UHS Speed Class 1 (U1)
Video Rating
Full HD 1080p, 3D Video
Compatible Formats
microSDHC, microSDXC, microSDHC UHS-I, microSDXC UHS-I host devices
Included
SD adapter
Durability
Waterproof, X-ray proof, temperature proof, shockproof
Warranty
Lifetime limited

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Pros & Cons

👍 Pros

  • 40 MB/s read ceiling enables fast file transfers and responsive app loading on devices that can leverage the UHS-I bus.
  • Class 10 / U1 rating guarantees 10 MB/s minimum sustained write — sufficient for continuous 1080p Full HD and 3D video recording without dropped frames.
  • Waterproof, temperature-proof, X-ray-proof, and shockproof construction protects against the physical conditions common to everyday carry and travel use.
  • Included SD adapter extends usability to any full-size SD slot without purchasing a separate adapter.
  • Lifetime limited warranty provides long-term purchase confidence for a card type that typically sees years of continuous use.

👎 Cons

  • 16GB capacity is a constrained storage budget by current standards — at typical 1080p video bitrates, this card holds roughly 80–100 minutes of footage before requiring offloading or a larger card.
  • No published write speed beyond the U1 10 MB/s minimum — users requiring faster sequential writes for burst photography or high-bitrate recording cannot confirm real-world write performance from the spec sheet.
  • U1 rating excludes 4K video recording — devices that require U3 minimum write speed will either refuse to record or produce dropped-frame footage with this card.
  • microSDHC format caps capacity at 32GB — this card cannot be replaced with a higher-capacity version of the same model number; larger storage requires moving to microSDXC.

Frequently Asked Questions

U1 guarantees a minimum sustained write speed of 10 MB/s — the threshold required for uninterrupted Full HD (1080p) video recording. For 4K video, U3 (minimum 30 MB/s sustained write) is required; this card is not rated for 4K capture and may drop frames in cameras that demand it.
The 40 MB/s specification is the maximum sequential read speed. SanDisk does not publish a write speed for this card in its listed specifications — write performance at Class 10 / U1 minimum is 10 MB/s sustained. For applications like app storage and media playback, read speed is the more relevant figure; for continuous recording, the write floor is what matters.
Yes — devices that support microSDXC also support microSDHC as part of the SD specification hierarchy. The reverse is not guaranteed: very old devices that only support standard microSD or microSDHC may not recognize microSDXC cards, but any device listing microSDXC support is compatible with this card.
Yes, an SD adapter is included, allowing this microSDHC card to be used in full-size SD card slots on laptops, cameras, or card readers that don't have a dedicated microSD slot.
SanDisk's lifetime limited warranty covers defects in materials and workmanship for the original purchaser. It does not cover data recovery — if a card fails, the warranty replaces the card, not the data stored on it. The card's waterproof, temperature-proof, X-ray-proof, and shockproof ratings address physical resilience, not data recovery.