Solid State Drives (SSDs), Hard Disk Drives (HDDs)

Part Number	Description / PDF	Quantity
GF3BMC2000U Micronet	2TB 5400RPM USB3.1 GEN2 PORTABLE	50
GF18000QU3 Micronet	18TB 5400 USB3.0/ESATA/FW BLACK	50
SFSA016GQ1BJ8TO-C-DT-236-STD Swissbit	SSD 16GB 2.5" SLC SATA II 5V	0
SNE1B032GTKDWB00SSA0 TDK Corporation	INDUSTRIAL SSD, M.2 MODULE, 32GB	29
SFSA480GQ1AA4TO-I-OC-226-STD Swissbit	SSD 480GB 2.5" MLC SATA III	7
SNE1B128GTXDCBA0SSA0 TDK Corporation	INDUSTRIAL SSD, M.2 MODULE, 128G	0
GF3B18000UP Micronet	18TB 7200RPM USB 3.0 - BLACK	50
SFSA8192U1BR4TO-I-DT-236-STD Swissbit	SSD 8GB MSATA SLC SATA II 3.3V	25
TS512GMTS600-PK UDOO	SSD 512GB MLC SATA III 3.3V	0
SNE1B064GTXDWB00SSA0 TDK Corporation	INDUSTRIAL SSD, M.2 MODULE, 64GB	5
EXSAM1A480GB025IC0 ExAscend	EXASCEND SSD 480GB SATA3 2.5" ML	193
SP032GIMSA305SV0 Silicon Power	SSD MSATA SATA3 MLC 32GB	10
SFSA120GM3AA4TO-I-LB-426-STD Swissbit	SSD 120GB M.2 MLC 3.3V IND	6
SDE1B032GTXEWBA0ESA0 TDK Corporation	INDUSTRIAL SSD, 32GB, SLC, 2.5",	12
SFSA064GQ1BJATO-I-QT-236-STD Swissbit	SSD 64GB 2.5" SLC SATA II 5V	0
SP512GIMDC355SV0 Silicon Power	SSD M.2 2280 SATA3 3DTLC 512GB	10
SFSA240GQ1AA4TO-C-HC-226-STD Swissbit	SSD 240GB 2.5" MLC SATA III	0
DSH1000 Micronet	1TB 5400RPM ENCRYPTED HARD DRIVE	50
GF3B1000UP Micronet	1TB 7200RPM USB 3.0 - BLACK	50
SME1B064GTFDCB00SSA0 TDK Corporation	INDUSTRIAL SSD, MSATA, 64GB, MLC	0

Solid State Drives (SSDs), Hard Disk Drives (HDDs)

1. Overview

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.

2. Main Types and Functional Classification

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

3. Structure and Components

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.

4. Key Technical Specifications

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

5. Application Fields

SSDs: Gaming PCs, enterprise servers, cloud storage
HDDs: NAS systems, surveillance storage, archival
Memory Cards: Action cameras, IoT devices, automotive systems

6. Leading Manufacturers and Products

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

7. Selection Recommendations

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).

8. Industry Trends

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.