Appendix A. System memory speed

The Intel Xeon microprocessor families compatible with this ThinkStation computer feature an integrated memory controller, which provides the microprocessor with direct access to the system memory. Because of this design, the system memory speed will be determined by a number of factors, including the microprocessor model and the type, speed, size (capacity), and number of DIMMs installed. Refer to the following table for the information on the supported system memory speed for your computer model.

Table 1. DIMM type and speed: PC3-10600U

	Number of DIMMs
DIMM size (capacity)	installed per	Microprocessor model	Memory frequency
	microprocessor bank

		Intel Xeon E5502, E5503,	800 MHz
		E5504, E5506, E5507	800 MHz
		E5504, E5506, E5507

		Intel Xeon E5603, E5606,
		E5607, E5520, E5530,	1066 MHz
1 GB, 2 GB, 4 GB	1 to 3	E5540, E5620, E5630,	1066 MHz
		E5540, E5620, E5630,
		E5640
		E5640

		Intel Xeon E5645, E5649,
		X5550, X5560, X5570,	1333 MHz
		X5650, X5660, X5667,	1333 MHz
		X5650, X5660, X5667,
		X5670, X5672, X5675

Table 2. DIMM type and speed: PC3-8500U

	Number of DIMMs
DIMM size (capacity)	installed per	Microprocessor model	Memory frequency
	microprocessor bank

		Intel Xeon E5502, E5503,	800 MHz
		E5504, E5506, E5507	800 MHz
		E5504, E5506, E5507

		Intel Xeon E5603, E5606,
1 GB, 2 GB, 4 GB	1 to 3	E5607, E5520, E5530,
1 GB, 2 GB, 4 GB	1 to 3	E5540, E5620, E5630,	1066 MHz
		E5640, E5645, E5649,	1066 MHz
		X5550, X5560, X5570,
		X5650, X5660, X5667,
		X5670, X5672, X5675

Table 3. DIMM type and speed: PC3-10600R

	Number of DIMMs
DIMM size (capacity)	installed per	Microprocessor model	Memory frequency
	microprocessor bank

		Intel Xeon E5502, E5503,	800 MHz
		E5504, E5506, E5507	800 MHz
		E5504, E5506, E5507

		Intel Xeon E5603, E5606,
1 GB, 2 GB, 4 GB, 8 GB	1 to 3	E5607, E5520, E5530,	1066 MHz
1 GB, 2 GB, 4 GB, 8 GB	1 to 3	E5540, E5620, E5630,	1066 MHz
		E5540, E5620, E5630,
		E5640

		Intel Xeon E5645, E5649,	1333 MHz
		X5550, X5560, X5570,	1333 MHz
		X5550, X5560, X5570,

4262, 4263, 4266, 4264, 4265 specifications

Lenovo has established itself as a leader in the technology sector, offering a range of innovative products tailored for various business and personal needs. Among its notable offerings are the Lenovo 4269, 4265, 4263, 4272, and 4266 models, each distinct yet sharing common traits that reflect Lenovo's commitment to quality, performance, and user experience.

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In summary, the Lenovo 4269, 4265, 4263, 4272, and 4266 models showcase Lenovo's dedication to combining technology with user-centric design. Each model caters to specific needs—be it mobility, productivity, versatility, gaming, or business applications—ensuring that users find a machine that aligns perfectly with their requirements. Lenovo continues to innovate and evolve, setting benchmarks in the laptop market.