Lenovo ThinkStation 4157 Hardware Installation And Replacement Manual page 58

Table 2. DIMM type and speed: PC3-8500U
DIMM size (capacity)
1 GB, 2 GB, 4 GB
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ThinkStation Hardware Installation and Replacement Guide
Number of DIMMs
installed per CPU bank
1 to 6
Microprocessor model
Intel Xeon E5502, E5503,
E5504, E5506, E5507
Intel Xeon E5520, E5530,
E5540, E5620, E5603,
E5606, E5607, E5630,
E5640, E5645, E5647,
E5649, X5550, X5560,
X5570, X5650, X5660,
X5667, X5670, X5672,
X5675, X5677, X5680,
X5687, X5690, W3503,
W3505, W3520, W3530,
W3540, W3550, W3565,
W3570, W3580, W3670,
W3680, W3690, W5580,
W5590
Memory frequency
800 MHz
1066 MHz