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

Part Number	Description / PDF	Quantity
GF18000QU3 Micronet	18TB 5400 USB3.0/ESATA/FW BLACK	50
GF3B18000UP Micronet	18TB 7200RPM USB 3.0 - BLACK	50
DSH1000 Micronet	1TB 5400RPM ENCRYPTED HARD DRIVE	50
GF3B1000UP Micronet	1TB 7200RPM USB 3.0 - BLACK	50
GF6000QU3 Micronet	6TB 5400 USB3.0/ESATA/FW BLACK	50
GF3B14000EU Micronet	14TB 5400RPM USB 3.0 & ESATA	50
GFP10000EU3-TAA Micronet	10TB 7200 USB3.0/ESATA TAA DRIVE	50
GFP12000Q3 Micronet	12TB 7200RPM USB3.0 ESATA AND FW	50
GF3B8000U Micronet	8TB 5400RPM USB 3.0 - BLACK	50
CSD2000B-M Micronet	2TB SSD BLACK MAC	50
GFP5000Q3 Micronet	5TB 7200RPM USB3.0 ESATA AND FW	49
UCX-2000N Micronet	2TB MINI PORTABLE NVME SSD	50
GF4000QU3 Micronet	4TB 5400 USB3.0/ESATA/FW BLACK	50
CSD1000B-W Micronet	1TB SSD BLACK WINDOWS	50
DMR8000S Micronet	DUO MOBILE RAID 8TB SSD 2 X 4TB	50
GF3B8000EU-TAA Micronet	8TB 5400 USB 3.0/ESATA TAA DRIVE	50
GF12000QU3 Micronet	12TB 5400 USB3.0/ESATA/FW BLACK	50
DMR4000S Micronet	DUO MOBILE RAID 4TB SSD 2 X 2TB	50
GFP4000EU3-TAA Micronet	4TB 7200 USB3.0/ESATA TAA DRIVE	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.