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Phoenix Contact |
16 GB 2.5" SATA SSD KIT WITH TRA |
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Phoenix Contact |
32 GB 2.5" SATA SSD KIT WITH TRA |
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Phoenix Contact |
SSD 320GB 2.5" |
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Phoenix Contact |
SSD 320GB 2.5" SLC |
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Phoenix Contact |
80 GB 2.5" SATA HDD KIT WITH TRA |
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Phoenix Contact |
SSD 16GB 2.5" SLC |
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Phoenix Contact |
SSD 160GB 2.5" MLC |
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Phoenix Contact |
SSD 160GB 2.5" MLC |
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Phoenix Contact |
SSD 32GB 2.5" |
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Phoenix Contact |
SSD 80GB 2.5" |
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Phoenix Contact |
SSD 80GB 2.5" MLC |
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Phoenix Contact |
320 GB 2.5" SATA HDD KIT WITH TR |
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Phoenix Contact |
32 GB 2.5" SATA SSD KIT WITH TRA |
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Phoenix Contact |
16 GB 2.5" SATA SSD KIT WITH TRA |
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Phoenix Contact |
160 GB 2.5" SATA SSD KIT WITH TR |
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Phoenix Contact |
160 GB 2.5" SATA SSD KIT WITH TR |
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Phoenix Contact |
THE BL BPC 2000 80 GB SSD KIT IS |
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Phoenix Contact |
SSD 128GB 2.5" |
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Phoenix Contact |
320 GB 2.5-INCH SATA HARD-DISC D |
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Phoenix Contact |
SSD 160GB 2.5" |
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Storage devices are critical components in modern computing systems, enabling persistent data retention and rapid access. Memory cards (e.g., SD/microSD) provide portable storage for consumer electronics. SSDs use NAND flash memory for high-speed non-volatile storage, while HDDs rely on magnetic spinning platters for cost-effective large-capacity storage. These technologies collectively support applications ranging from personal devices to enterprise data centers.
| Type | Function Characteristics | Application Examples |
|---|---|---|
| SD Cards | Standardized portable storage with varying speed classes | Digital cameras, laptops |
| microSD | Compact form factor for mobile devices | Smartphones, drones |
| CF Cards | High durability for professional imaging | DSLR cameras, industrial equipment |
SSDs consist of a controller (managing data flow), NAND flash memory chips (storing data), and DRAM cache (accelerating access). HDDs contain magnetic platters (data storage), read/write heads (data access), spindle motors (platter rotation), and actuator arms (head positioning). Memory cards integrate flash memory with controllers in compact packages.
| Parameter | Importance | SSD Example | HDD Example |
|---|---|---|---|
| Sequential Read/Write Speed | Affects data transfer efficiency | 3500-7000 MB/s (NVMe) | 100-200 MB/s (SATA) |
| Random 4K IOPS | Measures small-file access performance | 50,000-100,000 IOPS | 100-200 IOPS |
| Durability (TBW) | Indicates lifespan | 150-1500 TBW | Relevant but less quantified |
| Manufacturer | Product Example | Key Features |
|---|---|---|
| Samsung | 980 Pro NVMe SSD | PCIe 4.0, 7000 MB/s |
| Western Digital | Ultrastar DC HC550 HDD | 18TB, helium-sealed |
| SanDisk | Extreme microSDXC | 170MB/s, UHS-I |
Consider interface compatibility (e.g., SATA vs NVMe), required throughput, endurance ratings, and cost-per-GB metrics. For enterprise environments prioritize MTBF and error correction features. Consumer applications should balance capacity and speed class (e.g., V30/U3 for 4K video recording).
3D NAND stacking enables terabit-scale SSDs, while PCIe 5.0 interfaces will double current speeds. HDDs adopt SMR and HAMR technologies to reach 50+TB capacities. Memory cards transition to SD Express (PCIe Gen3) for 985MB/s performance. Hybrid storage solutions combining fast SSD caching with high-capacity HDDs gain traction in data centers.