Template:mpu The Xeon D-1521 is a 64-bit quad-core x86-64 microserver SoC that was introduced by Intel in March of 2015. The D-1521 operates at 2.4 GHz with a turbo frequency of 2.7 GHz. This chip, which is based on the Broadwell microarchitecture and manufactured in 14 nm process, has a TDP of 45 W and can support up to 128 GB of RAM (DDR3L/DDR4).

Cache

Main article: Broadwell § Cache

Cache Info [Edit Values]
L1I$	128 KiB 131,072 B 0.125 MiB	4x32 KiB 8-way set associative (per core)
L1D$	128 KiB 131,072 B 0.125 MiB	4x32 KiB 8-way set associative (per core)
L2$	1 MiB 1,024 KiB 1,048,576 B 9.765625e-4 GiB	4x256 KiB 8-way set associative (per core)
L3$	6 MiB 6,144 KiB 6,291,456 B 0.00586 GiB	4x1.5 MiB (per core)

Graphics

This SoC has no integrated graphics processing unit.

Memory controller

Integrated Memory Controller
Type	DDR3L-1333, DDR3L-1600, DDR4-1600, DDR4-1867, DDR4-2133
Controllers	1
Channels	2
ECC Support	Yes
Max memory	128 GiB

Networking

Networking
SFI interface	Yes
KR interface	Yes
KR4 interface	No
KX interface	Yes
KX4 interface	No
10Base-T	No
100Base-T	No
1000Base-T	Yes
10GBase-T	Yes