IBM X3850 M2 X3950 M2 7141-1RX/1RY, 2RX/2RY, 3HX/3HY, Machine type, E73xx/X73xx, 13GHz E7420

Combining high-performance architecture with high-performance Xeon processors

x3850 M2 / x3950 M2 Specifications

	x3850 M2					x3950 M2
	7141-1RX/1RY, 2RX/2RY, 3HX/3HY,				7144-1SX/1SY, 3SX/3SY, 4SX/4SY—3
Machine type	3RX/3RY, 4RX/4RY—3 yr. warranty;					yr. warranty;
	7233-2RX/2RY, 5RX/5RY, 6RX/6RY,				7233-2SX/2SY, 5SX/5xSY, 6SX/6SY,
	7RX/7RY—3 yr. warranty;				7SX/7SY—3 yr. warranty;
	7234-6RX/6RY—4 yr. warranty				7234-6SX/6SY—4 yr. warranty
Form factor (standard/maximum)				4U / 16U
	Six-core Xeon			Quad-core Xeon
	(E74xx/L74xx/X74xx)			(E73xx/X73xx)			Dual-core Xeon
	2.13GHz E7420			1.6GHz E7310 (1SX/1SY),
Processor type	(2xX/2xY), 2.13GHz			2.13GHz E7320				(72xx)
	L7445 (7xX/7xY), 2.4GHz			(2xX/2xY), 2.4GHz E7330		2.4GHz E7210 (1RX/1RY)
	E7450 (5xX/5xY),			(3xX/3xY), 2.93GHz
	2.66GHz X7460 (6xX/6xY)			X7350 (4xX/4xY)
	130W (7141/7144-		90W (7233-		80W (7141/7144-
Maximum processor power draw	4xX/4xY; 7233-				1xX/1xY, 2xX/2xY,			50W (7xX/7xY)
		2xX/2xY, 5xX/5xY)
	6xX/6xY)				3xX/3xY)
Front-side bus (FSB) speed				1066MHz x 4 FSBs
# of independent front-side buses				4
# of processors standard / maximum				2 / 4 (per chassis)
	9MB (3 x 3MB)—	8MB (2 x 4MB)—			6MB (2 x 3MB)—			4MB (2 x 2MB)—
Internal L2 cache			7141/7144-		7141/7144-			7141/7144-
	7233/7234 (all)
		1xX/1xY, 4xX/4xY			3xX/3xY			2xX/2xY
External L3 cache	16MB shared cache—			12MB shared cache—		8MB shared cache—
	7233-6xX/6xY			7233-5xX/5xY, 7xX/7xY				7233-2xX/2xY
XceL4v Dynamic Server (L4) cache		Up to 256MB per chassis (1TB max.)
Chipset				IBM eX4
					Optional (7141-1RX/1RY, 2RX/2RY,
ScaleXpander Option Kit	Standard (7144-1SX/1SY, 3SX/3SY,				3HX/3HY, 3RX/3RY, 4RX/4RY; 7233-
	4SX/4SY)				2RX/2RY, 5RX/5RY, 6RX/6RY,
						7RX/7RY)
Scalability ports				3 (per chassis)
# of interconnected nodes (chassis)				4
maximum
	8GB (4 x 2GB on 2			8GB (8 x 1GB on 4		4GB (4 x 1GB on 2
Standard / maximum memory6 (per				memory cards) / 256GB
						memory cards) / 256GB
chassis)	memory cards) / 256GB			(3RX/3RY, 3SX/3SY,		(1xX/1xY, 2xX/2xY,
	(3HX/3HY)			4xX/4xY, 5RX/5RY,
								7xX/7xY)
				5SX/5SY, 6xX/6xY)
Standard memory type	Registered PC2-5300 (533MHz) DDR II ECC with Chipkill protection
Memory interleaving		Yes (two-way using pairs of DIMMs)
DIMM capacities supported				1GB, 2GB, 4GB, 8GB
# of DIMM sockets total / available	32 / 24 (3RX/3RY, 3SX/3SY, 4xX/4xY,				32 / 28 (3HX/3HY, 4xX/4xY, 7xX/7xY)
	5RX/5RY, 5SX/5SY, 6xX/6xY)
Memory mirroring supported				Yes

6Maximum memory and disk capacity may require the replacement of standard components with the largest supported component available.

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