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

Image	Part Number	Description / PDF	Quantity	Rfq
	APM2T80SM21512GASD-4BTMGW Apacer	M.2 SM210-M280 MLC DEVSLP 512GB	0
	AP-FM002GD1305S-T Apacer	SSD 2GB SLC ATA 5V	0
	APSDM016GQ2WN-PTM1W Apacer	MOD SATA3 DISK 16GB 15NM WP EXT	0
	APSDM001GA2AN-CTW Apacer	SATA3 DISK MODULE 7-PIN/180 DEGR	0
	AP-UM001GR31CG-2MST Apacer	USB DISK MODULE SLC 90D MOUNTING	0
	APSDM032GQ2WN-PTM1W Apacer	MOD SATA3 DISK 32GB 15NM WP EXT	0
	APS18A7A128G-6BTM1GL Apacer	SSD 128GB 1.8" MLC SATA III 3.3V	0
	APSDM016GQ2WN-ETM1W Apacer	SATA3 DISK MODULE 7-PIN/90 DEGRE	0
	AP-FM0256D5605S-T1H Apacer	ATA DISK MODULE 40-PIN/180 DEGRE	0
	APP120G8JC-ATV Apacer	SSD MINI PCIE EXPRSS 3DTLC 120GB	0
	AP-FM0256D3005S-TW Apacer	ATA DISK MODULE 44-PIN/270 DEGRE	0
	AP-UM002GT13ES-2MHT Apacer	USB DISK MODULE SLC 90D MOUNTING	0
	APSDM032G92AN-ETM1GW Apacer	SATA3 DISK MODULE 7-PIN/180 DEGR	0
	AP-UM004GR23CS-2T Apacer	USB DISK MODULE SLC 180D 4GB	0
	APS25AF7032G-4BTM1GWT Apacer	2.5" SATA SSD 15NM MLC DEVSLP 32	0
	AP-FM008GD2505S-TW1M Apacer	SSD 8GB SLC ATA 5V	0
	APS18A7A256G-6BTM1GW Apacer	1.8" SATA3 SSD MLC 256GB DEVSLP	0
	APSDM032GB2AN-CTM1GCW Apacer	SATA3 DISK MODULE 7-PIN/180 DEGR	0
	AP-UM512MR23CS-2NRT Apacer	USB DISK MODULE SLC 180D NON-REM	0
	APSDM016G12AN-PTM1W Apacer	SATA3 DISK MODULE 22-PIN 90 DEG	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.