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

Part Number	Description / PDF	Quantity
GFP1000EU3 Micronet	1TB 7200RPM USB 3.0 & ESATA	50
GF3B18000U Micronet	18TB 5400RPM USB 3.0 - BLACK	50
GFP3000Q3 Micronet	3TB 7200RPM USB3.0 ESATA AND FW	50
GF3BM1000U Micronet	1TB 5400RPM USB 3.0 PORTABLE	49
GF3B14000U Micronet	14TB 5400RPM USB 3.0 - BLACK	50
GF3B16000U Micronet	16TB 5400RPM USB 3.0 - BLACK	50
GF3B8000EU Micronet	8TB 5400RPM USB 3.0 & ESATA	50
DSH2000 Micronet	2TB 5400RPM ENCRYPTED HARD DRIVE	50
CSD4000S-W Micronet	4TB SSD SILVER WINDOWS	50
GF3BM4000U Micronet	4TB 5400RPM USB 3.0 PORTABLE	50
GF3B5000U Micronet	5TB 5400RPM USB 3.0 - BLACK	50
GF3B3000U Micronet	3TB 5400RPM USB 3.0 - BLACK	50
GF14000QU3 Micronet	14TB 5400 USB3.0/ESATA/FW BLACK	50
GFP10000Q3 Micronet	10TB 7200RPM USB3.0 ESATA AND FW	50
CSD4000B-M Micronet	4TB SSD BLACK MAC	50
GF3B4000EU Micronet	4TB 5400RPM USB 3.0 & ESATA	50
GF3B6000EU-TAA Micronet	6TB 5400 USB 3.0/ESATA TAA DRIVE	50
GFP14000EU3-TAA Micronet	14TB 7200 USB3.0/ESATA TAA DRIVE	50
GF3B6000UP Micronet	6TB 7200RPM USB 3.0 - BLACK	50
GF3B18000EU Micronet	18TB 5400RPM USB 3.0 & ESATA	50

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.