Editing amd/epyc embedded/3401

{{amd title|EPYC Embedded 3401}}
{{chip
|name=EPYC Embedded 3401
|no image=Yes
|designer=AMD
|manufacturer=GlobalFoundries
|model number=3401
|market=Server
|market 2=Embedded
|first announced=February 21, 2018
|first launched=February 21, 2018
|family=EPYC Embedded
|series=3000
|frequency=1,850 MHz
|turbo frequency1=3,000 MHz
|clock multiplier=18.5
|isa=x86-64
|isa family=x86
|microarch=Zen
|core name=Snowy Owl
|process=14 nm
|transistors=9,600,000,000
|technology=CMOS
|die area=213 mm²
|mcp=Yes
|die count=2
|word size=64 bit
|core count=16
|thread count=16
|max cpus=1
|max memory=1 TiB
|tdp=85 W
|tjunc min=0 °C
|tjunc max=105 °C
|package module 1={{packages/amd/package sp4}}
}}
'''EPYC Embedded 3401''' is a {{arch|64}} [[hexadeca-core]] [[x86]] embedded microprocessor introduced by [[AMD]] in early [[2018]] for dense servers and edge devices. Fabricated on a [[14 nm process]] based on the {{amd|Zen|Zen microarchitecture|l=arch}}, this chip operates at 1.85 GHz with a TDP of 85 W and a {{amd|precision boost|turbo frequency}} of up to 3 GHz. The 3401 supports up to 1 TiB of quad-channel DDR4-2666 ECC memory.


{{unknown features}}


== Cache ==
{{main|amd/microarchitectures/zen#Memory_Hierarchy|l1=Zen § Cache}}
{{cache size
|l1 cache=1.5 MiB
|l1i cache=1 MiB
|l1i break=16x64 KiB
|l1i desc=4-way set associative
|l1d cache=512 KiB
|l1d break=16x32 KiB
|l1d desc=8-way set associative
|l1d policy=write-back
|l2 cache=8 MiB
|l2 break=16x512 KiB
|l2 desc=8-way set associative
|l2 policy=write-back
|l3 cache=32 MiB
|l3 break=4x8 MiB
|l3 desc=16-way set associative
|l3 policy=write-back
}}

== Memory controller ==
{{memory controller
|type=DDR4-2666
|ecc=Yes
|max mem=1 TiB
|controllers=4
|channels=4
|max bandwidth=79.47 GiB/s
|bandwidth schan=19.87 GiB/s
|bandwidth dchan=39.74 GiB/s
|bandwidth qchan=79.47 GiB/s
}}

{{amd ryzen threadripper memory configs}}
Has subobject "Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki.	EPYC Embedded 3401 - AMD#pcie +
base frequency	1,850 MHz (1.85 GHz, 1,850,000 kHz) +
clock multiplier	18.5 +
core count	16 +
core family	23 +
core model	1 +
core name	Snowy Owl +
core stepping	B2 +
cpuid	0x00800F12 +
designer	AMD +
die area	213 mm² (0.33 in², 2.13 cm², 213,000,000 µm²) +
die count	2 +
family	EPYC Embedded +
first announced	February 21, 2018 +
first launched	February 21, 2018 +
full page name	amd/epyc embedded/3401 +
has advanced vector extensions	true +
has advanced vector extensions 2	true +
has amd amd-v technology	true +
has amd amd-vi technology	true +
has amd secure encrypted virtualization technology	true +
has amd secure memory encryption technology	true +
has amd sensemi technology	true +
has amd transparent secure memory encryption technology	true +
has ecc memory support	true +
has feature	Advanced Encryption Standard Instruction Set Extension +, Advanced Vector Extensions +, Advanced Vector Extensions 2 + and SenseMI Technology +
has locked clock multiplier	true +
has x86 advanced encryption standard instruction set extension	true +
instance of	microprocessor +
is multi-chip package	true +
isa	x86-64 +
isa family	x86 +
l1$ size	1,536 KiB (1,572,864 B, 1.5 MiB) +
l1d$ description	8-way set associative +
l1d$ size	512 KiB (524,288 B, 0.5 MiB) +
l1i$ description	4-way set associative +
l1i$ size	1,024 KiB (1,048,576 B, 1 MiB) +
l2$ description	8-way set associative +
l2$ size	8 MiB (8,192 KiB, 8,388,608 B, 0.00781 GiB) +
l3$ description	16-way set associative +
l3$ size	32 MiB (32,768 KiB, 33,554,432 B, 0.0313 GiB) +
ldate	February 21, 2018 +
manufacturer	GlobalFoundries +
market segment	Embedded + and Server +
max cpu count	1 +
max junction temperature	378.15 K (105 °C, 221 °F, 680.67 °R) +
max memory	1,048,576 MiB (1,073,741,824 KiB, 1,099,511,627,776 B, 1,024 GiB, 1 TiB) +
max memory bandwidth	79.47 GiB/s (81,377.029 MiB/s, 85.33 GB/s, 85,330 MB/s, 0.0776 TiB/s, 0.0853 TB/s) +
max memory channels	4 +
max sata ports	16 +
max usb ports	4 +
microarchitecture	Zen +
min junction temperature	273.15 K (0 °C, 32 °F, 491.67 °R) +
model number	3401 +
name	EPYC Embedded 3401 +
package	SP4 +
process	14 nm (0.014 μm, 1.4e-5 mm) +
series	3000 +
smp max ways	1 +
supported memory type	DDR4-2666 +
tdp	85 W (85,000 mW, 0.114 hp, 0.085 kW) +
technology	CMOS +
thread count	16 +
transistor count	9,600,000,000 +
turbo frequency (16 cores)	2,250 MHz (2.25 GHz, 2,250,000 kHz) +
turbo frequency (1 core)	3,000 MHz (3 GHz, 3,000,000 kHz) +
word size	64 bit (8 octets, 16 nibbles) +