Does this work okay as far as backwards compatibility with 3GB/s systems? Should I expect far worse read/write performance?

I installed one in a 10 year old MacBook Pro with 3GB/sec system bus. I/O speed and boot times are improved relative to the original mechanical hard drive, but the full 6GB read/write speed is, of course, not attainable. The system can be no faster than its slowest component.

Do these have built in TRIM. I found when I set them up in a raid configuration, windows couldn't trim them?.

I am using this SSD as my boot/OS drive. When I query the Operating System (Windows 7), it reports back that TRIM was automatically installed and is active.

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ADATA Ultimate SU800 128GB 3D NAND 2.5 Inch SATA-III Internal Solid State Drive (ASU800SS-128GT-C)

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Featuring advanced 3D NAND Flash for high reliability & durability
Sequential Read/Write up to 560/420 MB/s
SATAIII 6GB/s interface
Support RAID Engine & Data Shaping for enhanced stability & data

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Specs

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Learn more about the ADATA ASU800SS-128GT-C

Model
Brand	ADATA
Series	Ultimate SU800
Model	ASU800SS-128GT-C
Device Type	Internal Solid State Drive (SSD)
Used For	Consumer

Details
Form Factor	2.5"
Capacity	128GB
Memory Components	3D TLC
Interface	SATA III
Controller	SMI

Performance
Max Sequential Read	Up to 560 MBps (ATTO) - Up to 550 MBps (Crystal Disk Mark)
Max Sequential Write	Up to 420 MBps (ATTO) - Up to 400MBps (Crystal Disk Mark)
4KB Random Read	Up to 50,000 IOPS
4KB Random Write	Up to 75,000 IOPS
MTBF	2,000,000 hours

Features
Features	3D TLC NAND Flash SMI Controller Wide capacity range: 128GB to 1TB Advanced hardware LDPC ECC Technology Intelligent SLC Caching and DRAM cache buffer DEVSLP (Device Sleep) supported High TBW for extended drive longevity Free software: SSD Toolbox and Migration Utility Supports S.M.A.R.T, TRIM Command, and NCQ

Environmental
Operating Temperature	0°C ~ +70°C
Storage Temperature	-40°C ~ +85°C
Max Shock Resistance	1500G/0.5ms

Dimensions & Weight
Height	7.00mm
Width	69.85mm
Depth	100.45mm
Weight	47.50g

Additional Information
First Listed on Newegg	October 04, 2016

ADATA Ultimate SU800 128GB 3D NAND 2.5 Inch SATA-III Internal Solid State Drive (ASU800SS-128GT-C)

Learn more about the ADATA ASU800SS-128GT-C

Customer Reviews of the ADATA ASU800SS-128GT-C

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

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Manufacturer Contact Info

Item#: N82E16820215015

ADATA Ultimate SU800 128GB 3D NAND 2.5 Inch SATA-III Internal Solid State Drive (ASU800SS-128GT-C)

Learn more about the ADATA ASU800SS-128GT-C

Customer Reviews of the ADATA ASU800SS-128GT-C

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info