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RamCity guarantees 100% that all modules below are compatible with the IBM/Lenovo IntelliStation Z Pro (6223-xxx)

Part #. KTM2865/8G • DDR-400 / PC3200 • ECC • Dual Rank • Registered • 1.8V • more info

Buy new: $802.99 $626.99

Part #. 2xBXL • DDR2-533 / PC2-4200 • CL4 • ECC • Dual Rank • Registered • 1.8V • 36-chip 256M x4 • more info

Buy new: $485.99 $379.99

Part #. 2xBHJ • DDR2-533 / PC2-4200 • CL4 • ECC • Dual Rank • Registered • 1.8V • 36-chip 128M x4 • more info

Buy new: $153.99 $119.99

Part #. KTM2865SR/4G • DDR2-400 / PC2-3200 • CL3 • ECC • Single Rank • Registered • 1.8V • more info

Buy new: $433.99 $338.99

Part #. KTM2865/4G • DDR-400 / PC3200 • ECC • Dual Rank • Registered • 1.8V • more info

Buy new: $410.99 $320.99

We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.

Need some help installing your upgrade? See our guides and videos.

System Specifications

Comments:

This system supports only ONE dual-rank kit (KTM2865/4G or KTM2865/8G) installed in the first bank ONLY.
To reach 16GB maximum, install one KTM2865/8G kit in the first bank and two KTM2865SR/4G in the second and third banks.
The Intellistation Z Pro comes standard with Chipkill memory.
This system can support both the Chipkill (KTM2865/xxx) and Non-Chipkill memory.
When mixing Chipkill and Non-Chipkill kits, the system will not perform the Chipkill function.

Standard Memory:

Maximum Memory:

Expansion:

CPU/Chipset:

Bus Architecture:

Mfr's System P/N's:

Upgrade Path:

Any combination of 1, 4 and 8GB kits can be installed to reach configurations up to 16GB.